When deleting an Advance Deposit, you may receive the error: This Advance Deposit has unposted reversals that must be posted before deleting. All associated applications/unapplications and their transactions had to be posted to GL before deleting an Advance Deposit.
We resolved this issue in version 7.82.104, patch 6. Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch.