diff --git a/app/models/collection.rb b/app/models/collection.rb
index 325e51895fe..3a7a547b6c7 100755
--- a/app/models/collection.rb
+++ b/app/models/collection.rb
@@ -62,67 +62,67 @@ def ensure_associated
 
   CHALLENGE_TYPE_OPTIONS = [
     ["", ""],
-    [ts("Gift Exchange"), "GiftExchange"],
-    [ts("Prompt Meme"), "PromptMeme"]
+    [human_attribute_name("gift_exchange"), "GiftExchange"],
+    [human_attribute_name("prompt_meme"), "PromptMeme"]
   ].freeze
 
   validate :must_have_owners
   def must_have_owners
     # we have to use collection participants because the association may not exist until after
     # the collection is saved
-    errors.add(:base, ts("Collection has no valid owners.")) if (self.collection_participants + (self.parent ? self.parent.collection_participants : [])).select(&:is_owner?)
+    errors.add(:base, :it_has_no_owners) if (self.collection_participants + (self.parent ? self.parent.collection_participants : [])).select(&:is_owner?)
       .empty?
   end
 
   validate :collection_depth
   def collection_depth
-    errors.add(:base, ts("Sorry, but %{name} is a subcollection, so it can't also be a parent collection.", name: parent.name)) if self.parent&.parent || (self.parent && !self.children.empty?) || (!self.children.empty? && !self.children.collect(&:children).flatten.empty?)
+    errors.add(:base, :subcollection_cant_be_parent_collection, name: parent.name) if self.parent&.parent || (self.parent && !self.children.empty?) || (!self.children.empty? && !self.children.collect(&:children).flatten.empty?)
   end
 
   validate :parent_exists
   def parent_exists
-    errors.add(:base, ts("We couldn't find a collection with name %{name}.", name: parent_name)) unless parent_name.blank? || Collection.find_by(name: parent_name)
+    errors.add(:base, :parent_doesnt_exist, name: parent_name) unless parent_name.blank? || Collection.find_by(name: parent_name)
   end
 
   validate :parent_is_allowed
   def parent_is_allowed
     if parent
       if parent == self
-        errors.add(:base, ts("You can't make a collection its own parent."))
+        errors.add(:base, :cant_be_its_own_parent)
       elsif parent_id_changed? && !parent.user_is_maintainer?(User.current_user)
-        errors.add(:base, ts("You have to be a maintainer of %{name} to make a subcollection.", name: parent.name))
+        errors.add(:base, :not_a_maintainer_of_parent, name: parent.name)
       end
     end
   end
 
-  validates :name, presence: { message: ts("Please enter a name for your collection.") }
-  validates :name, uniqueness: { message: ts("Sorry, that name is already taken. Try again, please!") }
+  validates :name, presence: { message: :no_name_entered }
+  validates :name, uniqueness: { message: :taken }
   validates :name,
             length: { minimum: ArchiveConfig.TITLE_MIN,
-                      too_short: ts("must be at least %{min} characters long.", min: ArchiveConfig.TITLE_MIN) }
+                      too_short: :too_short, min: ArchiveConfig.TITLE_MIN }
   validates :name,
             length: { maximum: ArchiveConfig.TITLE_MAX,
-                      too_long: ts("must be less than %{max} characters long.", max: ArchiveConfig.TITLE_MAX) }
+                      too_long: :too_long, max: ArchiveConfig.TITLE_MAX }
   validates :name,
-            format: { message: ts("must begin and end with a letter or number; it may also contain underscores. It may not contain any other characters, including spaces."),
+            format: { message: :characters_used,
                       with: /\A[A-Za-z0-9]\w*[A-Za-z0-9]\Z/ }
   validates :icon_alt_text, length: { allow_blank: true, maximum: ArchiveConfig.ICON_ALT_MAX,
-                                      too_long: ts("must be less than %{max} characters long.", max: ArchiveConfig.ICON_ALT_MAX) }
+                                      too_long: :too_long, max: ArchiveConfig.ICON_ALT_MAX }
   validates :icon_comment_text, length: { allow_blank: true, maximum: ArchiveConfig.ICON_COMMENT_MAX,
-                                          too_long: ts("must be less than %{max} characters long.", max: ArchiveConfig.ICON_COMMENT_MAX) }
+                                          too_long: :too_long, max: ArchiveConfig.ICON_COMMENT_MAX }
 
   validates :email, email_format: { allow_blank: true }
 
-  validates :title, presence: { message: ts("Please enter a title to be displayed for your collection.") }
+  validates :title, presence: { message: :no_title_entered }
   validates :title,
             length: { minimum: ArchiveConfig.TITLE_MIN,
-                      too_short: ts("must be at least %{min} characters long.", min: ArchiveConfig.TITLE_MIN) }
+                      too_short: :too_short, min: ArchiveConfig.TITLE_MIN }
   validates :title,
             length: { maximum: ArchiveConfig.TITLE_MAX,
-                      too_long: ts("must be less than %{max} characters long.", max: ArchiveConfig.TITLE_MAX) }
+                      too_long: :too_long, max: ArchiveConfig.TITLE_MAX }
   validate :no_reserved_strings
   def no_reserved_strings
-    errors.add(:title, ts("^Sorry, the ',' character cannot be in a collection Display Title.")) if
+    errors.add(:title, :comma_used) if
       title.match(/,/)
   end
 
@@ -134,14 +134,14 @@ def title
   validates :description,
             length: { allow_blank: true,
                       maximum: ArchiveConfig.SUMMARY_MAX,
-                      too_long: ts("must be less than %{max} characters long.", max: ArchiveConfig.SUMMARY_MAX) }
+                      too_long: :too_long, max: ArchiveConfig.SUMMARY_MAX }
 
-  validates :header_image_url, url_format: { allow_blank: true, message: ts("is not a valid URL.") }
+  validates :header_image_url, url_format: { allow_blank: true, message: :valid_url }
   validates :header_image_url, format: { allow_blank: true, with: /\A\S+\.(png|gif|jpe?g)\z/, message: :file_format }
-
+  
   validates :tags_after_saving,
             length: { maximum: ArchiveConfig.COLLECTION_TAGS_MAX,
-                      message: "^Sorry, a collection can only have %{count} tags." }
+                      message: :too_many_tags, max: ArchiveConfig.COLLECTION_TAGS_MAX }
 
   scope :top_level, -> { where(parent_id: nil) }
   scope :closed, -> { joins(:collection_preference).where(collection_preferences: { closed: true }) }
diff --git a/config/locales/models/en.yml b/config/locales/models/en.yml
index a8f03c21410..6ed08141af1 100644
--- a/config/locales/models/en.yml
+++ b/config/locales/models/en.yml
@@ -26,7 +26,14 @@ en:
         base: 'Invalid creator:'
         pseud_id: Pseud
       collection:
+        description: Description
+        gift_exchange: Gift Exchange
         header_image_url: Header image URL
+        icon_alt_text: Icon alt text
+        icon_comment_text: Icon comment text
+        name: Name
+        prompt_meme: Prompt Meme
+        title: Title
       creatorships:
         base: 'Invalid creator:'
         pseud_id: Pseud
@@ -120,8 +127,34 @@ en:
           format: "%{message}"
         collection:
           attributes:
+            base:
+              cant_be_its_own_parent: You can't make a collection its own parent.
+              it_has_no_owners: Collection has no valid owners.
+              not_a_maintainer_of_parent: You have to be a maintainer of %{name} to make a subcollection.
+              parent_doesnt_exist: We couldn't find a collection with name %{name}.
+              subcollection_cant_be_parent_collection: Sorry, but %{name} is a subcollection, so it can't also be a parent collection.
+            description:
+              too_long: must be less than %{max} characters long.
             header_image_url:
               file_format: can only point to a gif, jpg, jpeg, or png file.
+              valid_url: is not a valid URL.
+            icon_alt_text:
+              too_long: must be less than %{max} characters long.
+            icon_comment_text:
+              too_long: must be less than %{max} characters long.
+            name:
+              characters_used: must begin and end with a letter or number; it may also contain underscores. It may not contain any other characters, including spaces.
+              no_name_entered: "^Please enter a name for your collection."
+              taken: Sorry, that name is already taken. Try again, please!
+              too_long: must be less than %{max} characters long.
+              too_short: must be at least %{min} characters long.
+            tags_after_saving:
+              too_many_tags: "^Sorry, a collection can only have %{max} tags."
+            title:
+              comma_used: "^Sorry, the ',' character cannot be in a collection Display Title."
+              no_title_entered: "^Please enter a title to be displayed for your collection."
+              too_long: must be less than %{max} characters long.
+              too_short: must be at least %{min} characters long.
         collection_item:
           attributes:
             collection:
@@ -310,6 +343,9 @@ en:
       character:
         one: Character
         other: Characters
+      collection:
+        one: Collection
+        other: Collections
       comment: Comment
       fandom:
         one: Fandom
diff --git a/db/migrate/20260728014110_add_unique_index_to_collection_names.rb b/db/migrate/20260728014110_add_unique_index_to_collection_names.rb
new file mode 100644
index 00000000000..8069ba24297
--- /dev/null
+++ b/db/migrate/20260728014110_add_unique_index_to_collection_names.rb
@@ -0,0 +1,8 @@
+class AddUniqueIndexToCollectionNames < ActiveRecord::Migration[8.1]
+  uses_departure! if Rails.env.staging? || Rails.env.production?
+
+  def change
+    remove_index :collections, :name
+    add_index :collections, :name, unique: true
+  end
+end
diff --git a/features/collections/collection_create.feature b/features/collections/collection_create.feature
index d5fa8e2c005..42d3679f404 100755
--- a/features/collections/collection_create.feature
+++ b/features/collections/collection_create.feature
@@ -4,226 +4,221 @@ Feature: Collection
   As a humble user
   I want to create a collection and post to it
 
-Scenario: Create a collection
-
-  Given I am logged in as "first_user"
-  When I go to the collections page
-  Then I should see "Collections in the "
-    And I should not see "My Collection Thing"
-  When I follow "New Collection"
-    And I fill in "Display title" with "My Collection Thing"
-    And I fill in "Collection name" with "collection_thing"
-    And I fill in "Introduction" with "Welcome to the collection"
-    And I fill in "FAQ" with "<dl><dt>What is this thing?</dt><dd>It's a collection</dd></dl>"
-    And I fill in "Rules" with "Be nice to people"
-    And I fill in "collection_tag_string" with "My New Fandom, My OC"
-    And I check all the collection settings checkboxes
-    And I submit
-  Then I should see "Collection was successfully created"
-  When I follow "Profile"
-  Then I should see "Welcome to the collection" within "#intro"
-    And I should see "What is this thing?" within "#faq"
-    And I should see "It's a collection" within "#faq"
-    And I should see "Be nice to people" within "#rules"
-    And I should see "My New Fandom" within ".meta"
-    And I should see "My OC" within ".meta"
-  When I follow "Collection Settings"
-    And I fill in "Collection name" with " "
-    And I submit
-    And I should see "Please enter a name for your collection"
-  When I fill in "Collection name" with "collection_thing2"
-    And I submit
-    And I should see "Collection was successfully updated"
-    And the name of the collection "My Collection Thing" should be "collection_thing2"
-
-Scenario: Post to collection from the work edit page
-  Given the collection "My Collection Thing" with name "collection_thing"
-    And I am logged in as "first_user"
-  When I post the work "collect-y work"
-    And I go to first_user's user page
-  Then I should see "collect-y work"
-  When I edit the work "collect-y work"
-    And I fill in "work_collection_names" with "collection_thing"
-    And I press "Preview"
-    And I press "Update"
-  Then I should see "collect-y work"
-    And I should see "Collections: My Collection Thing"
-
-Scenario: Post to collection from the collection home page
-
-  Given I have the collection "My Collection Thing" with name "collection_thing"
-    And basic tags
-    And I am logged in as "first_user"
-  When I go to the collections page
-    And I follow "My Collection Thing"
-    And I follow "Post to Collection"
-  Then I should see "Post New Work"
-    And I should see "collection_thing" in the "Post to Collections / Challenges" input
-  When I fill in the basic work information for "My Collected Work"
-    And I press "Preview"
-  Then I should see "My Collection Thing" within "dd.collections"
-  When I press "Post"
-  Then I should see "My Collected Work"
-    And I should see "Collections: My Collection Thing"
-
-Scenario: Create a subcollection
-
-  Given I am logged in as "first_user"
-    And I create the collection "My Collection Thing" with name "collection_thing"
-  When I go to the collections page
-    And I follow "New Collection"
-    And I fill in "collection_parent_name" with "collection_thing"
-    And I fill in "Display title" with "My SubCollection"
-    And I fill in "Collection name" with "subcollection_thing"
-    And I submit
-  Then I should see "Collection was successfully created"
-
-Scenario: Fill out new collection form with faulty data
-
-   Given I am logged in as a random user
-   And I am on the collections page
-
-   When I follow "New Collection"
-   And I fill in the following:
-   | Collection name                 | faulty name         |
-   | Display title                   | Awesome Collection  |
-   | Collection email                | fangirl@example.org |
-   | Brief description               | My Description      |
-   | Introduction                    | My Introduction     |
-   | FAQ                             | My FAQ              |
-   | Rules                           | My Rules            |
-   | Assignment notification message | My Message          |
-   | Gift notification message       | My Other Message    |
-
-   And I check "This collection is closed"
-   And I select "Gift Exchange" from "Type of challenge, if any"
-   And I submit
-
-   Then I should see a save error message
-   And I should see "faulty name" in the "Collection name" input
-   And I should see "Awesome Collection" in the "Display title" input
-   And I should see "fangirl@example.org" in the "Collection email" input
-   And I should see "My Description" in the "Brief description" input
-   And I should see "My Introduction" in the "Introduction" input
-   And I should see "My FAQ" in the "FAQ" input
-   And I should see "My Rules" in the "Rules" input
-   And I should see "My Message" in the "Assignment notification message" input
-   And I should see "My Other Message" in the "Gift notification message" input
-   And the "This collection is closed" checkbox should not be disabled
-   And "Gift Exchange" should be selected within "Type of challenge, if any"
-
-Scenario: Create a collection with a malformed header URL
-
-Given I have the collection "Scotts Collection" with name "scotts_collection"
-  And I am logged in as "moderator"
-  And I am on "Scotts Collection" collection's page
-  And I follow "Collection Settings"
-  And I fill in "collection_header_image_url" with "fc00.deviantart.net/fs13/f/2007/004/a/7/Flooded_by_bingeling.jpg"
-  And I press "Update"
-  And I should see "Collection was successfully updated"
+  Scenario: Create a collection
+    Given I am logged in as "first_user"
+    When I go to the collections page
+    Then I should see "Collections in the "
+      And I should not see "My Collection Thing"
+    When I follow "New Collection"
+      And I fill in "Display title" with "My Collection Thing"
+      And I fill in "Collection name" with "collection_thing"
+      And I fill in "Introduction" with "Welcome to the collection"
+      And I fill in "FAQ" with "<dl><dt>What is this thing?</dt><dd>It's a collection</dd></dl>"
+      And I fill in "Rules" with "Be nice to people"
+      And I fill in "collection_tag_string" with "My New Fandom, My OC"
+      And I check all the collection settings checkboxes
+      And I submit
+    Then I should see "Collection was successfully created"
+    When I follow "Profile"
+    Then I should see "Welcome to the collection" within "#intro"
+      And I should see "What is this thing?" within "#faq"
+      And I should see "It's a collection" within "#faq"
+      And I should see "Be nice to people" within "#rules"
+      And I should see "My New Fandom" within ".meta"
+      And I should see "My OC" within ".meta"
+    When I follow "Collection Settings"
+      And I fill in "Collection name" with " "
+      And I submit
+      And I should see "Please enter a name for your collection"
+    When I fill in "Collection name" with "collection_thing2"
+      And I submit
+      And I should see "Collection was successfully updated"
+      And the name of the collection "My Collection Thing" should be "collection_thing2"
+
+  Scenario: Post to collection from the work edit page
+    Given the collection "My Collection Thing" with name "collection_thing"
+      And I am logged in as "first_user"
+    When I post the work "collect-y work"
+      And I go to first_user's user page
+    Then I should see "collect-y work"
+    When I edit the work "collect-y work"
+      And I fill in "work_collection_names" with "collection_thing"
+      And I press "Preview"
+      And I press "Update"
+    Then I should see "collect-y work"
+      And I should see "Collections: My Collection Thing"
+
+  Scenario: Post to collection from the collection home page
+    Given I have the collection "My Collection Thing" with name "collection_thing"
+      And basic tags
+      And I am logged in as "first_user"
+    When I go to the collections page
+      And I follow "My Collection Thing"
+      And I follow "Post to Collection"
+    Then I should see "Post New Work"
+      And I should see "collection_thing" in the "Post to Collections / Challenges" input
+    When I fill in the basic work information for "My Collected Work"
+      And I press "Preview"
+    Then I should see "My Collection Thing" within "dd.collections"
+    When I press "Post"
+    Then I should see "My Collected Work"
+      And I should see "Collections: My Collection Thing"
+
+  Scenario: Create a subcollection
+    Given I am logged in as "first_user"
+      And I create the collection "My Collection Thing" with name "collection_thing"
+    When I go to the collections page
+      And I follow "New Collection"
+      And I fill in "collection_parent_name" with "collection_thing"
+      And I fill in "Display title" with "My SubCollection"
+      And I fill in "Collection name" with "subcollection_thing"
+      And I submit
+    Then I should see "Collection was successfully created"
+
+  Scenario: Fill out new collection form with faulty data
+    Given I am logged in as a random user
+      And I am on the collections page
+    When I follow "New Collection"
+      And I fill in the following:
+      | Collection name                 | faulty name         |
+      | Display title                   | Awesome Collection  |
+      | Collection email                | fangirl@example.org |
+      | Brief description               | My Description      |
+      | Introduction                    | My Introduction     |
+      | FAQ                             | My FAQ              |
+      | Rules                           | My Rules            |
+      | Assignment notification message | My Message          |
+      | Gift notification message       | My Other Message    |
+      And I check "This collection is closed"
+      And I select "Gift Exchange" from "Type of challenge, if any"
+      And I submit
+    Then I should see a save error message
+      And I should see "faulty name" in the "Collection name" input
+      And I should see "Awesome Collection" in the "Display title" input
+      And I should see "fangirl@example.org" in the "Collection email" input
+      And I should see "My Description" in the "Brief description" input
+      And I should see "My Introduction" in the "Introduction" input
+      And I should see "My FAQ" in the "FAQ" input
+      And I should see "My Rules" in the "Rules" input
+      And I should see "My Message" in the "Assignment notification message" input
+      And I should see "My Other Message" in the "Gift notification message" input
+      And the "This collection is closed" checkbox should not be disabled
+      And "Gift Exchange" should be selected within "Type of challenge, if any"
+
+  Scenario: Create a collection with a malformed header URL
+    Given I have the collection "Scotts Collection" with name "scotts_collection"
+      And I am logged in as "moderator"
+      And I am on "Scotts Collection" collection's page
+      And I follow "Collection Settings"
+      And I fill in "collection_header_image_url" with "fc00.deviantart.net/fs13/f/2007/004/a/7/Flooded_by_bingeling.jpg"
+      And I press "Update"
+      And I should see "Collection was successfully updated"
 
   Scenario: Update a collection with a HTTPS header URL
-
-  Given I have the collection "Scotts Collection" with name "scotts_collection"
-  When I am logged in as "moderator"
-    And I am on "Scotts Collection" collection's page
-    And I follow "Collection Settings"
-    And I fill in "Custom header URL" with "https://example.com/image.png"
-    And I press "Update"
-  Then I should see "Collection was successfully updated"
-  When I follow "Collection Settings"
-  Then I should see "https://example.com/image.png" in the "Custom header URL" input
+    Given I have the collection "Scotts Collection" with name "scotts_collection"
+    When I am logged in as "moderator"
+      And I am on "Scotts Collection" collection's page
+      And I follow "Collection Settings"
+      And I fill in "Custom header URL" with "https://example.com/image.png"
+      And I press "Update"
+    Then I should see "Collection was successfully updated"
+    When I follow "Collection Settings"
+    Then I should see "https://example.com/image.png" in the "Custom header URL" input
 
   Scenario: Delete a subcollection and then its parent collection
-
-  Given I am logged in as "collector"
-    And I create the collection "Temporary Top" with name "temporary_top_collection"
-  When I go to the collections page
-    And I follow "New Collection"
-    And I fill in "collection_parent_name" with "temporary_top_collection"
-    And I fill in "Display title" with "Temporary Subcollection"
-    And I fill in "Collection name" with "temporary_subcollection"
-    And I press "Submit"
-  Then I should see "Collection was successfully created"
-  When I follow "Collection Settings"
-    And I follow "Delete Collection"
-    And I press "Yes, Delete Collection"
-  Then I should see "Collection was successfully deleted."
-    And I should see "Temporary Top"
-  When I follow "Temporary Top"
-    And I follow "Collection Settings"
-  When I follow "Delete Collection"
-    And I press "Yes, Delete Collection"
-  Then I should see "Collection was successfully deleted."
-    And I should not see "Temporary Top"
+    Given I am logged in as "collector"
+      And I create the collection "Temporary Top" with name "temporary_top_collection"
+    When I go to the collections page
+      And I follow "New Collection"
+      And I fill in "collection_parent_name" with "temporary_top_collection"
+      And I fill in "Display title" with "Temporary Subcollection"
+      And I fill in "Collection name" with "temporary_subcollection"
+      And I press "Submit"
+    Then I should see "Collection was successfully created"
+    When I follow "Collection Settings"
+      And I follow "Delete Collection"
+      And I press "Yes, Delete Collection"
+    Then I should see "Collection was successfully deleted."
+      And I should see "Temporary Top"
+    When I follow "Temporary Top"
+      And I follow "Collection Settings"
+    When I follow "Delete Collection"
+      And I press "Yes, Delete Collection"
+    Then I should see "Collection was successfully deleted."
+      And I should not see "Temporary Top"
 
   Scenario: Delete a collection that has subcollections
-
-  Given I am logged in as "collector"
-    And I create the collection "Parent" with name "parent_collection"
-  When I go to the collections page
-    And I follow "New Collection"
-    And I fill in "collection_parent_name" with "parent_collection"
-    And I fill in "Display title" with "Child"
-    And I fill in "Collection name" with "child_collection"
-    And I press "Submit"
-  Then I should see "Collection was successfully created"
-  When I go to the collections page
-    And I follow "Parent"
-    And I follow "Collection Settings"
-  When I follow "Delete Collection"
-    And I press "Yes, Delete Collection"
-  Then I should see "Collection was successfully deleted."
-    And I should not see "Parent"
-
-  Scenario: Moderator cannot list one collection's subcollection as another
-  collection's parent
-
-  Given I am logged in as "collector"
-    And I add the subcollection "Subcollection" to the parent collection named "parent_collection"
-  When I go to the new collection page 
-    And I fill in "Parent collection (that you maintain)" with "subcollection"
-    And I fill in "Display title" with "Sub-Subcollection"
-    And I fill in "Collection name" with "sub_subcollection"
-    And I press "Submit"
-  Then I should see "Sorry, but Subcollection is a subcollection, so it can't also be a parent collection."
+    Given I am logged in as "collector"
+      And I create the collection "Parent" with name "parent_collection"
+    When I go to the collections page
+      And I follow "New Collection"
+      And I fill in "collection_parent_name" with "parent_collection"
+      And I fill in "Display title" with "Child"
+      And I fill in "Collection name" with "child_collection"
+      And I press "Submit"
+    Then I should see "Collection was successfully created"
+    When I go to the collections page
+      And I follow "Parent"
+      And I follow "Collection Settings"
+    When I follow "Delete Collection"
+      And I press "Yes, Delete Collection"
+    Then I should see "Collection was successfully deleted."
+      And I should not see "Parent"
+
+  Scenario: Moderator cannot list one collection's subcollection as another collection's parent
+    Given I am logged in as "collector"
+      And I add the subcollection "Subcollection" to the parent collection named "parent_collection"
+    When I go to the new collection page 
+      And I fill in "Parent collection (that you maintain)" with "subcollection"
+      And I fill in "Display title" with "Sub-Subcollection"
+      And I fill in "Collection name" with "sub_subcollection"
+      And I press "Submit"
+    Then I should see "Sorry, but Subcollection is a subcollection, so it can't also be a parent collection."
 
   Scenario: Moderator cannot specify a parent collection that does not exist
-
-  Given I am logged in
-  When I go to the new collection page 
-    And I fill in "Parent collection (that you maintain)" with "nonexistent_collection"
-    And I fill in "Display title" with "Collection"
-    And I fill in "Collection name" with "Collection"
-    And I press "Submit"
-  Then I should see "We couldn't find a collection with name nonexistent_collection."
+    Given I am logged in
+    When I go to the new collection page 
+      And I fill in "Parent collection (that you maintain)" with "nonexistent_collection"
+      And I fill in "Display title" with "Collection"
+      And I fill in "Collection name" with "Collection"
+      And I press "Submit"
+    Then I should see "We couldn't find a collection with name nonexistent_collection."
 
   Scenario: Moderator cannot make a collection its own parent
-
-  Given I am logged in
-    And I create the collection "Collection" with name "collection"
-  When I go to "Collection" collection edit page
-    And I fill in "Parent collection (that you maintain)" with "collection"
-    And I press "Update"
-  Then I should see "You can't make a collection its own parent."
+    Given I am logged in
+      And I create the collection "Collection" with name "collection"
+    When I go to "Collection" collection edit page
+      And I fill in "Parent collection (that you maintain)" with "collection"
+      And I press "Update"
+    Then I should see "You can't make a collection its own parent."
 
   Scenario: Moderator cannot list a parent collection they do not own
-
-  Given I am logged in as "collector"
-    And I create the collection "Collection" with name "collection"
-  When I am logged in as "other_collector"
-    And I go to the new collection page
-    And I fill in "Display title" with "Other Collection"
-    And I fill in "Collection name" with "other_collection"
-    And I fill in "Parent collection (that you maintain)" with "collection"
-    And I press "Submit"
-  Then I should see "You have to be a maintainer of collection to make a subcollection."
+    Given I am logged in as "collector"
+      And I create the collection "Collection" with name "collection"
+    When I am logged in as "other_collector"
+      And I go to the new collection page
+      And I fill in "Display title" with "Other Collection"
+      And I fill in "Collection name" with "other_collection"
+      And I fill in "Parent collection (that you maintain)" with "collection"
+      And I press "Submit"
+    Then I should see "You have to be a maintainer of collection to make a subcollection."
 
   Scenario: Collection display title can't contain commas
-
-  Given I am logged in
-    And I am on the new collection page
-  When I fill in "Display title" with "Hey, You"
-    And I fill in "Collection name" with "hey_you"
-    And I press "Submit"
-  Then I should see "Sorry, the ',' character cannot be in a collection Display Title."
+    Given I am logged in
+      And I am on the new collection page
+    When I fill in "Display title" with "Hey, You"
+      And I fill in "Collection name" with "hey_you"
+      And I press "Submit"
+    Then I should see "Sorry, the ',' character cannot be in a collection Display Title."
+
+  Scenario: Error messages are accurate after entering nothing when creating a new collection
+    Given I am logged in
+      And I am on the new collection page
+    When I press "Submit"
+    Then I should see "Please enter a name for your collection."
+      And I should not see "Name Please enter a name for your collection."
+      And I should see "Name must be at least 1 characters long."
+      And I should see "Name must begin and end with a letter or number; it may also contain underscores. It may not contain any other characters, including spaces."
+      And I should see "Please enter a title to be displayed for your collection."
+      And I should not see "Title Please enter a title to be displayed for your collection."
+      And I should see "Title must be at least 1 characters long."