Diagnosis
FI-CA documents are being archived. For the document currently beingprocess, the residence period with reference to the posting date hasexpired. Since the document could be being archived, you cannot performa reversal, reset, return, or document change for this document.

System Response
Since a reversal, reset of clearing, or return also changes the documentin addition to the current change, these transactions are locked for olddocuments as long as archiving is running.