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

M8399 - Overview

• 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,