Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 229
Message text: Caution: Reference to reassigned document
You are referencing a reassigned document (for example, via a reversal
document or a down payment clearing).
The system does not transfer the <DS:GLOS.FM_account_assignment>FM
account assignment</> of the reassigned document, but takes the FM
account assignment of the source document.
Execute the reassignment for the new document again.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FI229, which states "Caution: Reference to reassigned document," typically occurs in the Financial Accounting (FI) module when there is an issue related to document reassignment. This message is a warning rather than a critical error, indicating that the document you are trying to process has been reassigned, and there may be implications for the transaction you are attempting to execute.
Cause: Document Reassignment: The document you are referencing has been reassigned to a different account or has undergone changes that affect its original context. Posting Changes: Changes in the document's status or its assignment to different cost centers, profit centers, or other accounting entities can trigger this warning. Data Integrity: The system is alerting you to potential inconsistencies or issues that may arise from using a document that has been modified.
Solution: Review Document History: Check the document history to understand the changes that have been made. You can do this by
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