How To Fix M8120 - You have no authorization to make a posting to this supplier account

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 120

• Message text: You have no authorization to make a posting to this supplier account

What causes this issue?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8120 - You have no authorization to make a posting to this supplier account ?

  The SAP error message M8120, which states "You have no authorization to make a posting to this supplier account," typically indicates that the user attempting to perform a transaction does not have the necessary permissions to post to the specified supplier account. This can occur in various scenarios, such as when trying to create an invoice, make a payment, or perform other financial transactions related to a supplier.
  Causes:
  
  Authorization Issues: The user’s role or profile does not include the necessary authorizations to post to the supplier account.
  Account Status: The supplier account may be blocked or inactive, preventing any postings.
  Company Code Restrictions: The user may not have authorization for the specific company code associated with the supplier account.
  Transaction Type Restrictions: Certain transaction types may have specific authorization requirements that the user does not meet.
  
  Solutions:
  
  
  Check User Authorizations:
  
  Contact your SAP security administrator to review the user’s roles and authorizations.
  Ensure that the user has the necessary permissions for the transaction and the supplier account.
  
  
  
  Review Supplier Account Status:
  
  Check if the supplier account is active and not blocked for postings. This can be done in the vendor master data (transaction code XK03 or FK03).
  If the account is blocked, the appropriate personnel should unblock it if necessary.
  
  
  
  Company Code Authorization:
  
  Verify that the user has the necessary authorizations for the specific company code related to the supplier account.
  
  
  
  Transaction-Specific Authorizations:
  
  Ensure that the user has the required authorizations for the specific transaction type being performed (e.g., invoice posting, payment processing).
  
  
  
  Consult Documentation:
  
  Refer to your organization’s SAP documentation or guidelines for specific authorization requirements related to supplier postings.
  
  
  
  Testing:
  
  If changes are made to the user’s authorizations, have the user log out and back in to ensure the changes take effect, and then test the transaction again.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  XK03: Display Vendor
  FK03: Display Vendor (Accounting)
  FB60: Enter Incoming Invoice
  F110: Automatic Payment Transactions
  
  
  
  Authorization Objects: Common authorization objects related to vendor postings include:
  
  F_BKPF_BES: Authorization for accounting documents
  F_LFA1_APL: Authorization for vendor master data
  F_LFA1_BEK: Authorization for vendor account management
  
  
  
  SAP Notes: Check SAP Notes for any known issues or updates related to authorization errors.
  
  
  If the issue persists after checking the above points, it may be necessary to escalate the matter to your SAP support team for further investigation.