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

SAP Error Message - Details

• 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

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• 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 system will not allow the invoice to be processed.
  
  Solution:
  
  Post Goods Receipt: Ensure that a goods receipt has been posted for the purchase order related to the invoice. This is the most common solution when dealing with GR-based invoice verification.
  Check Account Assignment: Verify the account assignment details in the purchase order and ensure they are correctly set up. If the account assignment is not valid, you may need to adjust it.
  Configuration Review: Review the configuration settings in the SAP system related to invoice verification. This may involve checking the settings in the following areas:
  
  Transaction OMR6: Check the settings for the account assignment categories.
  Transaction OMRB: Review the settings for the invoice verification process.
  
  
  Change Invoice Verification Method: If applicable, consider changing the invoice verification method from GR-based to non-GR-based if the business process allows for it. This can be done in the purchase order settings.
  Consult Documentation: Refer to SAP documentation or consult with your SAP support team for specific guidance based on your system configuration and business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and MIRO (Invoice Verification).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to perform the actions required to resolve the error.
  
  By following these steps, you should be able to identify the root cause of the SE651 error and implement the appropriate solution.