If you have drawn and assigned the starting rank no yourself, or the program has done so earlier and you just want to check the numbers for errors, select Manual number assignment from the "assign start no's" menu.
TS will not assign numbers at all, but just check your input and make sure each number exists once on only once
Even if you feel ceratin you haven't made any errors, you MUST use this function to be able to do pairing of the first round