[#6441] Block editing Locked or Closed Deliverables.

config/locales/en.yml

@@ -6,6 +6,8 @@ en:
         cant_create_time_on_closed_contract: "Can't create a time entry on a closed contract"
         cant_assign_to_closed_deliverable: "Can't assign issue to a closed deliverable"
         cant_assign_to_locked_deliverable: "Can't assign issue to a locked deliverable"
+        cant_update_locked_deliverable: "Can't update a locked deliverable"
+        cant_update_closed_deliverable: "Can't update a closed deliverable"
 
   field_end_date: End Date
   field_executed: Executed
@@ -89,4 +91,5 @@ en:
   text_error_message_orphaned_time: "There is {{amount}} worth of time clocked to issues that are not assigned to any deliverables."
   text_error_message_update_orphaned_time: "Please update the orphaned issues."
   field_estimated: Estimated
-  
+  text_deliverable_locked_warning: "This deliverable is locked and cannot be saved without changing it's status to Open."
+  text_deliverable_closed_warning: "This deliverable is closed and cannot be saved without changing it's status to Open."