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