diff --git a/extensions/lang-english/locale/core.yml b/extensions/lang-english/locale/core.yml
index 45425768a..96c91be34 100644
--- a/extensions/lang-english/locale/core.yml
+++ b/extensions/lang-english/locale/core.yml
@@ -435,6 +435,8 @@ core:
 
     # These translations are displayed as error messages.
     error:
+      dependent_extensions_message: "Cannot disable {extension} until the following dependent extensions are disabled: {extensions}"
+      missing_dependencies_message: "Cannot enable {extension} until the following dependencies are enabled: {extensions}"
       generic_message: "Oops! Something went wrong. Please reload the page and try again."
       not_found_message: The requested resource was not found.
       permission_denied_message: You do not have permission to do that.