anchor.diff:      case Result of
           ok ->
               ok;
  +        {error, {403,<<>>,<<>>}} ->
  +            gui_error:report_warning(
  +                <<"You do not have privileges to modify privileges.">>);
           {error, _} ->
               gui_error:report_warning(
  -                <<"Cannot change user privileges due to unknown error.">>)
  +                <<"Cannot change group privileges due to unknown error.">>)
       end.
   
   
  
positive.code:     case Result of
          ok ->
              ok;
          {error, _} ->
              gui_error:report_warning(
                  <<"Cannot change user privileges due to unknown error.">>)
  
negative.code:             case space_logic:set_name(UserAuth, SpaceId, NewName) of
                  ok ->
                      ok;
                  {error, {403,<<>>,<<>>}} ->
                      gui_error:report_warning(
                          <<"You do not have privileges to modify this space.">>);
                  {error, _} ->
                      gui_error:report_warning(
                          <<"Cannot change space name due to unknown error.">>)
  