Message type: E = Error
Message class:  J3RFREGINV - Invoice Registration Journal 
Message number: 058
Message text: Entry for electronic document already exists
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The SAP error message J3RFREGINV058 indicates that there is an attempt to create or register an electronic document (such as an invoice) that already exists in the system. This error typically arises in the context of electronic invoicing or document management, particularly in countries where electronic invoicing is mandated.
Cause: Duplicate Entry: The most common cause of this error is that the electronic document you are trying to register has already been processed or registered in the system. This could happen if: The same invoice was submitted multiple times. There was a system error that caused the document to be registered more than once. The document number or reference used is not unique. Incorrect Document Number: If the document number or reference is not unique or is incorrectly formatted, the system may interpret it as a duplicate. Data Synchronization Issues: If there are issues with data synchronization between different systems or modules, it may lead to the
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