Make sure there's only 1 `errors.messages` definition in en.yml

config/locales/en.yml

@@ -2,12 +2,6 @@
 # See https://github.com/svenfuchs/rails-i18n/tree/master/rails%2Flocale for starting points.
 
 en:
-  errors:
-    messages:
-      label_already_exists_at_group_level: "already exists at group level for %{group}. Please choose another one."
-      wrong_size: "is the wrong size (should be %{file_size})"
-      size_too_small: "is too small (should be at least %{file_size})"
-      size_too_big: "is too big (should be at most %{file_size})"
   views:
     pagination:
       previous: "Prev"
@@ -114,6 +108,10 @@ en:
   errors:
     format: "%{attribute} %{message}"
     messages:
+      label_already_exists_at_group_level: "already exists at group level for %{group}. Please choose another one."
+      wrong_size: "is the wrong size (should be %{file_size})"
+      size_too_small: "is too small (should be at least %{file_size})"
+      size_too_big: "is too big (should be at most %{file_size})"
       accepted: must be accepted
       blank: can't be blank
       present: must be blank