How To Fix M8399 - Invoice document & was posted; blocked for payment

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 399

• Message text: Invoice document & was posted; blocked for payment

INCLUDE M8075 OBJECT DOKU ID NA

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message M8399 - Invoice document & was posted; blocked for payment ?

  The SAP error message M8399, which states "Invoice document & was posted; blocked for payment," typically indicates that an invoice has been successfully posted in the system but is currently blocked from being processed for payment. This can occur for several reasons, and understanding the cause is essential for resolving the issue.
  Causes of M8399 Error
  
  
  Blocking Reasons: The invoice may be blocked for payment due to specific blocking reasons set in the system. Common reasons include:
  
  Invoice Verification Block: The invoice might be blocked due to discrepancies in the invoice verification process.
  Payment Block: A payment block may have been manually set on the invoice or automatically applied based on certain criteria (e.g., vendor payment terms, invoice amount).
  Missing or Incorrect Data: Required data for payment processing may be missing or incorrect, such as tax codes, payment terms, or vendor information.
  
  
  
  Vendor Master Data Issues: The vendor master data may have settings that prevent payment, such as:
  
  Payment block indicators in the vendor master record.
  The vendor may be marked as inactive or blocked for payments.
  
  
  
  Account Assignment Issues: If the account assignment for the invoice is incorrect or incomplete, it may lead to a payment block.
  
  
  Approval Workflow: If your organization uses an approval workflow for invoices, the invoice may be pending approval, which can block payment.
  
  
  Solutions to M8399 Error
  
  
  Check Invoice Status: Review the invoice document in SAP to identify the specific blocking reason. You can do this by using transaction codes like MIRO (for invoice verification) or FB03 (to display the document).
  
  
  Review Blocking Reasons: 
  
  Navigate to the invoice document and check the payment block field. If it is set, determine the reason for the block and take appropriate action.
  If the block is due to invoice verification issues, resolve any discrepancies between the invoice and the purchase order or goods receipt.
  
  
  
  Vendor Master Data: 
  
  Check the vendor master data using transaction code XK03 or MK03. Ensure that there are no payment blocks set on the vendor record.
  If necessary, update the vendor master data to remove any blocks.
  
  
  
  Account Assignment: Ensure that the account assignment details in the invoice are correct and complete. This includes checking cost centers, internal orders, or any other relevant account assignment fields.
  
  
  Approval Workflow: If your organization uses an approval workflow, check the status of the invoice in the workflow. Ensure that it has been approved for payment.
  
  
  Consult with Finance Team: If you are unable to resolve the issue, consult with your finance or accounts payable team for further assistance. They may have additional insights or authority to unblock the invoice.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MIRO: Invoice verification
  FB03: Display document
  XK03: Display vendor master
  ME23N: Display purchase order
  
  
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP Notes can provide additional context or solutions.
  
  
  Documentation: Review SAP documentation or user manuals related to invoice processing and payment blocks for more detailed guidance.
  
  
  By following these steps, you should be able to identify the cause of the M8399 error and take appropriate action to resolve it.