Fetch FIRST 1 ROW ONLY IN SUBSELECT GIVES SYNTAX ERROR IN TOAD for DB2 zos

Hi Folks

Toad complains as SYNTAX Error when you a FETCH FIRST 1 ROW ONLY in a subselect of a query. Does anybody know  across this situation. Not sure if this is a bug in Toad version 6.2.0.315 for DB2 zos.

Thanks.