Message type: E = Error
Message class:  ICC_FI_CN - Für die Meldungen extern vornum. Belege 
Message number: 001
Message text: Document &1 voided
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message ICC_FI_CN001, which states "Document &1 voided," typically indicates that a financial document (such as an invoice or payment) has been voided or canceled in the system. This can happen for various reasons, such as a reversal of a transaction, an error in the document, or a business process that requires the document to be voided.
Cause: Document Voided: The document referenced by the number &1 has been explicitly voided in the system. Reversal Transaction: A reversal transaction has been executed, which cancels the original document. Business Process: The document may have been voided as part of a business process, such as correcting an error or adjusting financial records.
Solution: Check Document Status: Verify the status of the document in question. You can do this by using transaction codes like FB03 (Display Document) to see if the document is indeed voided. Review Transaction History: Look at the transaction history to understand why the document
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