Message type: E = Error
Message class:  FI_E - Message Class for FM English Developers 
Message number: 229
Message text: Previous returned invoice &1 &2 is not in 'Park' status
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The SAP error message FI_E229 indicates that there is an issue with processing an invoice that is expected to be in a "Park" status, but it is not. This error typically occurs in the context of invoice verification and processing in the SAP Financial Accounting (FI) module.
Cause: The error message FI_E229 is triggered when: You are trying to process a subsequent invoice or credit memo related to a previous invoice that is not in the "Park" status. The previous invoice might be in a different status (e.g., "Posted," "Cancelled," etc.), which does not allow for the current operation to proceed. There may be a mismatch in the document flow or a missing document that should have been parked before processing the current invoice.
Solution: To resolve the FI_E229 error, you can take the following steps: Check the Status of the Previous Invoice: Use transaction codes like FB03 (Display Document) to check the status of the previous invoice referenced
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