How To Fix PO642 - Customer extension for authorization check in use.

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 642

• Message text: Customer extension for authorization check in use.

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 PO642 - Customer extension for authorization check in use. ?

  The SAP error message "PO642 Customer extension for authorization check in use" typically indicates that there is a custom authorization check implemented in the system that is preventing the user from performing a certain action, such as creating or modifying a purchase order (PO). This error is often related to user authorizations and the specific checks that have been implemented by the organization.
  Cause:
  
  Custom Authorization Check: The error arises when a custom authorization check (often implemented via user exits or BAdIs) is triggered, and the user does not have the necessary authorizations to proceed with the action.
  Missing Authorizations: The user may not have the required roles or authorizations assigned to their user profile in SAP.
  Configuration Issues: There may be issues with the configuration of the authorization objects related to the specific transaction or process.
  
  Solution:
  
  
  Check User Authorizations:
  
  Verify the user's roles and authorizations in the SAP system. This can be done using transaction code SU01 (User Maintenance) or PFCG (Role Maintenance).
  Ensure that the user has the necessary authorizations for the specific transaction or action they are trying to perform.
  
  
  
  Review Custom Code:
  
  If there are custom enhancements (like user exits or BAdIs) that are performing additional authorization checks, review the code to understand the conditions under which the error is triggered.
  Work with the development team to adjust the logic if necessary, ensuring that it aligns with the intended authorization model.
  
  
  
  Consult with Security Team:
  
  If you are not able to resolve the issue, consult with your SAP security team or basis team. They can help analyze the authorization logs and identify what specific authorizations are missing.
  
  
  
  Testing:
  
  After making any changes to roles or custom code, ensure to test the scenario again to confirm that the issue has been resolved.
  
  
  
  Related Information:
  
  Authorization Objects: Familiarize yourself with the relevant authorization objects that are used in the context of the transaction you are working with. Common objects for purchase orders include M_BEST_BSA (Purchasing Document: Authorization for Purchase Order) and M_BEST_EKO (Purchasing Document: Authorization for Purchase Order - Account Assignment).
  Transaction Codes: Use transaction codes like SU53 (Display Authorization Check) immediately after encountering the error to see which authorization check failed.
  Documentation: Review any internal documentation regarding custom authorization checks that may have been implemented in your organization.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.