If you are using Multi-Fund Accounting and trying to balance the Receivable Module with the General Ledger, your reports may not balance as expected.
Definitely check if the mandatory profile Option "AR: ACTIVATE MULTI FUND ACCOUNTING EXTRACT" is set. See this document for more information on the profile option. (Doc ID 1503451.1)
One of the issues that can occur:
The standard Reports such as AR Reconciliation Report and the associated Registers and Journals (example: Transaction Register, Transaction Journal) and Aging - 7 Buckets by Account Report are not balancing with the amounts that are existing in the General Ledger.
Process to follow for Fund Level Reconciliation between AR and GL in R12 (Doc ID 2030905.1)
The Multi-Fund Accounts Receivable (MFAR) Aging Report Does Not Balance To AR Reconciliation Report (Doc ID 1558026.1)
Another issue that can occur:
The Journal Entries Report is not displaying information in the actual Subledger (SLA) journals
AR: JOURNAL ENTRIES REPORT SHOW AR ACCOUNTS AND INSTEAD OF SLA ACCOUNTS (Doc ID 2547495.1)