How To Fix /PF1/MSG_PO_BAPI_PO956 - Logon & from userinformation must be informed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO_BAPI_PO -

• Message number: 956

• Message text: Logon & from userinformation must be informed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_PO_BAPI_PO956 - Logon & from userinformation must be informed ?

  The SAP error message /PF1/MSG_PO_BAPI_PO956 typically indicates an issue related to the user logon and the information that must be provided for a purchase order (PO) operation. This error can occur in various scenarios, particularly when using BAPIs (Business Application Programming Interfaces) for processing purchase orders.
  Cause:
  
  Missing User Information: The error suggests that certain user information required for the operation is missing. This could include user credentials, roles, or authorizations.
  Session Issues: There may be issues with the user session, such as timeouts or expired sessions.
  Configuration Issues: The system may not be properly configured to handle the specific BAPI call, or there may be missing parameters in the function module.
  Authorization Problems: The user may not have the necessary authorizations to perform the action related to the purchase order.
  
  Solution:
  
  Check User Credentials: Ensure that the user is logged in with the correct credentials and has the necessary roles assigned.
  Session Management: If the session has expired, log out and log back in to refresh the session.
  Review BAPI Parameters: Check the parameters being passed to the BAPI to ensure that all required fields are populated correctly.
  Authorization Check: Verify that the user has the appropriate authorizations to execute the BAPI related to purchase orders. This can be done by checking the user roles in transaction SU01 or PFCG.
  Consult Documentation: Review the SAP documentation for the specific BAPI being used to ensure that all required fields and configurations are correctly set up.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or details that may provide more context about the issue.
  
  Related Information:
  
  BAPI Documentation: Refer to the SAP Help Portal for detailed documentation on the specific BAPI you are using.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues or provide patches related to this error.
  User Management: Use transaction SU01 to manage user accounts and roles, ensuring that users have the necessary permissions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) for manual checks.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or security team for further investigation.