lib/mv/authorization/role.ex

@@ -88,17 +88,14 @@ defmodule Mv.Authorization.Role do
              message: "must be one of: own_data, read_only, normal_user, admin"
 
     validate fn changeset, _context ->
-               if changeset.action_type == :destroy do
                if changeset.data.is_system_role do
                  {:error,
+                  field: :is_system_role,
                   message:
                     "Cannot delete system role. System roles are required for the application to function."}
                else
                  :ok
                end
-               else
-                 :ok
-               end
              end,
              on: [:destroy]
   end