Message type: E = Error
Message class:  9J1UFDI - Messages for Ukraine E-Invoices 
Message number: 404
Message text: Outgoing tax invoice &1 &2 &3 not found
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The SAP error message 9J1UFDI404 indicates that an outgoing tax invoice with the specified identifiers (typically represented as &1, &2, and &3) could not be found in the system. This error usually arises in the context of tax invoice processing, particularly when dealing with electronic invoicing or integration with tax authorities. Causes: Invoice Not Created: The outgoing tax invoice may not have been created or posted in the system. Incorrect Identifiers: The identifiers provided in the error message may be incorrect or do not match any existing invoices. Data Synchronization Issues: There may be issues with data synchronization between different systems or modules within SAP. Authorization Issues: The user may not have the necessary permissions to view or access the invoice.
Configuration Issues: There may be configuration problems in the tax invoicing setup or related modules. Solutions: Verify Invoice Creation: Check if the outgoing tax invoice has been created and posted correctly. You can do this by searching
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