https://userapps.support.sap.com/sap/support/knowledge/en/2584858
2584858 - FI-CA Transactions FPO4/FPO4P: unexpected GL account is displayed | SAP Knowledge Base...
The item list (transaction FPO4 and FPO4P) displays an unexpected GL account. The FI-CA document was posted with another GL account in the past. The database...