How To Fix T0109 - Partner & not authorized as counterparty

SAP Error Message - Details

• Message type: E = Error

• Message class: T0 - General Treasury

• Message number: 109

• Message text: Partner & not authorized as counterparty

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 T0109 - Partner & not authorized as counterparty ?

  The SAP error message T0109, which states "Partner & not authorized as counterparty," typically occurs when a user attempts to perform a transaction involving a business partner (such as a vendor or customer) that they do not have the necessary authorizations to interact with. This can happen in various modules, including Financial Accounting (FI) or Materials Management (MM).
  Cause:
  
  Authorization Issues: The user does not have the required authorization to access or perform actions related to the specified business partner.
  Business Partner Configuration: The business partner may not be properly configured in the system, or the user may not be assigned to the correct roles or groups that allow interaction with that partner.
  Data Consistency: There may be inconsistencies in the data related to the business partner, such as missing or incorrect entries in the master data.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to check the authorization failure details.
  Review the user's roles and authorizations in transaction PFCG to ensure they have the necessary permissions to access the business partner.
  
  
  
  Review Business Partner Configuration:
  
  Ensure that the business partner is correctly set up in the system. Check the configuration in transaction BP (Business Partner) to verify that the partner is active and properly assigned to the relevant roles.
  Confirm that the business partner is assigned to the correct company code and that the user has access to that company code.
  
  
  
  Consult with Security Team:
  
  If the user lacks the necessary authorizations, work with your SAP security team to adjust the roles or permissions accordingly.
  
  
  
  Data Consistency Check:
  
  Verify that the business partner data is complete and consistent. Check for any missing information or discrepancies in the master data.
  
  
  
  Testing:
  
  After making the necessary changes, have the user attempt the transaction again to confirm that the issue has been resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU53: Display Authorization Check
  PFCG: Role Maintenance
  BP: Business Partner Maintenance
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  
  
  Documentation: Review SAP documentation related to business partner management and authorization concepts for further understanding.
  
  
  If the issue persists after following these steps, it may be necessary to engage with SAP support for more in-depth troubleshooting.