After editing installments on a pledge, you may receive the following error message when saving:
Error: The sum of installment designations must equal the installment amount.
When editing the amount of a future installment on a pledge, the following installment amounts are not automatically calculated to reflect the correct amounts. Each installment will need to be edited to ensure that all installments equal the total pledge amount. If the installments are greater than the pledge amount you will receive the error message.