This window appears if the total distributions you made in the Split Transaction window do not match the transaction amount you entered in the Write Checks or Account Register window.
The Unbalanced Split window tells you the amount of the transaction you wrote, the total amount distributed to individual line items, and the difference between those amounts. You have one of two options:
Once you have chosen, select OK. Sage 50 returns you to the appropriate window so you can make the needed adjustment.