Message type: E = Error
Message class:  9J1UFDI - Messages for Ukraine E-Invoices 
Message number: 411
Message text: Please select one payment document first
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The SAP error message "9J1UFDI411 Please select one payment document first" typically occurs in the context of financial transactions, particularly when dealing with payment processing or document handling in SAP. This error indicates that the system requires the user to select a specific payment document before proceeding with the action they are attempting to perform.
Cause: No Document Selected: The user has not selected any payment document in the transaction screen. Multiple Selections: The user may have selected multiple documents when the system requires only one to be selected for the operation. Incorrect Transaction: The user might be in a transaction that expects a payment document to be selected, but none is available or applicable. User Permissions: There may be restrictions based on user roles or permissions that prevent the selection of payment documents.
Solution: Select a Payment Document: Ensure that you select a single payment document from the list provided in the transaction. If you have
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