перепишите ваш код так:
X++:
qbds = query.addDataSource(tablenum(EmplTable));
qbr = SysQuery::findOrCreateRange(qbds, fieldnum(EmplTable, EmplId));
qbr.status(RangeStatus::Hidden);
qbr = SysQuery::findOrCreateRange(qbds, fieldnum(EmplTable,AltNum));
qbr.status(RangeStatus::Hidden);
qbr = SysQuery::findOrCreateRange(qbds, fieldnum(EmplTable, DEL_Alias));
qbr.status(RangeStatus::Hidden);
qbr = SysQuery::findOrCreateRange(qbds, fieldnum(EmplTable, PartyId));
qbr.status(RangeStatus::Hidden);
qbds = qbds.addDataSource(tablenum(VendSpListJour));
qbr = qbds.addRange(fieldnum(VendSpListJour, EmplId));