How To Fix MMPUR_USERDEF020 - Enter a valid user ID

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_USERDEF - Message class for user defaults

• Message number: 020

• Message text: Enter a valid user ID

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMPUR_USERDEF020 - Enter a valid user ID ?

  The SAP error message MMPUR_USERDEF020 ("Enter a valid user ID") typically occurs in the context of user input fields where a user ID is required, such as during the creation or modification of purchase orders, requisitions, or other procurement-related transactions. This error indicates that the system did not recognize the user ID entered, which could be due to several reasons.
  Causes:
  
  Invalid User ID: The user ID entered does not exist in the SAP system.
  Inactive User: The user ID may exist but is inactive or locked.
  Input Format: The user ID may not be in the correct format or may contain invalid characters.
  Authorization Issues: The user may not have the necessary authorizations to access the transaction or function.
  Configuration Issues: There may be configuration settings in the SAP system that are causing the user ID to be rejected.
  
  Solutions:
  
  Verify User ID: Check the user ID for typos or incorrect entries. Ensure that it matches the format expected by the system.
  Check User Status: Use transaction code SU01 to check if the user ID exists and is active. If the user is locked or inactive, you may need to unlock or activate the user.
  Consult with IT Support: If you do not have access to user management, contact your SAP administrator or IT support team to verify the status of the user ID.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the action. This can also be checked in transaction SU01 or by using transaction SU53 to analyze authorization failures.
  Check Configuration: If the issue persists, it may be necessary to review the configuration settings related to user management and procurement processes. This may require assistance from a functional consultant or system administrator.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01: User Maintenance
  SU53: Display Authorization Check
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to user management and procurement processes for best practices and guidelines.
  
  If the problem continues after following these steps, it may be beneficial to escalate the issue to SAP support for further investigation.