Sorry it took me so long to respond. Here is the output of debug.print:
INSERT INTO tblCurrentShift (ShiftName, ShiftStart, ShiftEnd, DaysOfTheWeek, Ord) SELECT tblShifts.ShiftName, tblShifts.ShiftStart, tblShifts.ShiftEnd, tblShifts.DaysOfTheWeek, tblShifts.Ord FROM tblShifts WHERE...