19269: Update error text re modifying group role without can_manage.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>

diff --git a/services/api/app/models/group.rb b/services/api/app/models/group.rb
index 0c36a048dcfd9f31679abf642c085e14e97dc1e4..e44e605b16b842e1bd5c4fbe61d7820ef62b8cff 100644 (file)
--- a/services/api/app/models/group.rb
+++ b/services/api/app/models/group.rb
@@ -250,7 +250,7 @@ class Group < ArvadosModel
       if self.owner_uuid != system_user_uuid
         raise "Owner uuid for role must be system user"
       end
-      raise PermissionDeniedError unless current_user.can?(manage: uuid)
+      raise PermissionDeniedError.new("role group cannot be modified without can_manage permission") unless current_user.can?(manage: uuid)
       true
     else
       super