How To Fix SE651 - Acct. assignment unknown not allowed w/o GR-based invoice verification

SE651 - Overview

• Message type: E = Error

• Message class: SE - Dienstleistungen Stammdaten Leistungsposition

• Message number: 651

• Message text: Acct. assignment unknown not allowed w/o GR-based invoice verification

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SE651 - Acct. assignment unknown not allowed w/o GR-based invoice verification ?

  The SAP error message SE651 "Acct. assignment unknown not allowed w/o GR-based invoice verification" typically occurs in the context of invoice verification in the Materials Management (MM) module. This error indicates that the system is unable to process an invoice because the account assignment is not recognized, and the invoice verification method is set to "Goods Receipt (GR)-based."
  
  Cause:
  
  Account Assignment Type: The invoice is being processed without a corresponding goods receipt, and the account assignment type does not allow for this. This is common when the invoice is for a service or when the goods receipt has not been posted.
  Configuration Settings: The configuration settings for the invoice verification process may not be set up correctly, particularly regarding the account assignment types and their relation to GR-based invoice verification.
  Missing Goods Receipt: If the invoice is for a purchase order that requires a goods receipt, and that receipt has not been posted, the