How To Fix MN771 - Supplier billing document type &1 not defined or faulty

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 771

• Message text: Supplier billing document type &1 not defined or faulty

What causes this issue?

Billing document type &V1& des not exist or is not permitted for
subsequent settlement.
Document type &V1& is assigned to arrangement type &V2& (subsequent
settlement) for partial or final settlement.
You can find the exact cause of the error in the message for a rebate
arrangement that has already been processed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the Customizing settings.

<DS:SIMG.W_WLFA_0004>Define billing document types</>
<DS:SIMG.SIMG_CFMENUOLMEOMHD>Define rebate arrangement types for
subsequent settlement</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN771 - Supplier billing document type &1 not defined or faulty ?

  The SAP error message MN771 indicates that there is an issue with the supplier billing document type specified in the system. This error typically arises when the document type is either not defined in the system or is incorrectly configured. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Undefined Document Type: The specified supplier billing document type (e.g., invoice, credit memo) does not exist in the system.
  Faulty Configuration: The document type may exist but is not properly configured, leading to issues when trying to process transactions.
  Authorization Issues: The user may not have the necessary authorizations to access or create documents of the specified type.
  Custom Document Types: If custom document types are used, they may not be set up correctly in the system.
  
  Solution:
  
  
  Check Document Type Configuration:
  
  Go to the configuration settings in SAP (Transaction Code: SPRO).
  Navigate to Logistics > Materials Management > Purchasing > Invoice Verification > Define Document Types.
  Verify that the document type in question is defined and correctly configured.
  
  
  
  Create or Modify Document Type:
  
  If the document type is missing, you may need to create it.
  If it exists but is faulty, review the settings and make necessary adjustments.
  
  
  
  Check User Authorizations:
  
  Ensure that the user has the appropriate authorizations to create or process the specified document type.
  You can check this using transaction code SU53 to analyze authorization issues.
  
  
  
  Review Customizations:
  
  If you are using custom document types, ensure that they are properly set up in the system.
  Consult with your SAP Basis or development team if necessary.
  
  
  
  Testing:
  
  After making changes, test the process again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SPRO (to access configuration settings)
  ME21N (to create purchase orders)
  MIRO (to post invoices)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on invoice verification and document types.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to document types and error MN771.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the MN771 error message in SAP.