This may occur when there is a record in the Pledge Schedule Payments table that does not line up with the correct transaction record. This can occur when you have previously adjusted the gift date on a PP - the pledge schedule payment record remains associated with the old gift date instead of the payment on the new gift date.
TA Support has a script that can rebuild the pledge schedule payments to match the existing transactions, so if you encounter this issue contact TA Support for assistance.
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