How To Fix USMD1A218 - User &1 has already selected the key &3 for &2

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1A - Messages: Abstraction Layer

• Message number: 218

• Message text: User &1 has already selected the key &3 for &2

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The system resets the key to &V4&.

How to fix this error?

Choose a different key.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1A218 - User &1 has already selected the key &3 for &2 ?

  The SAP error message USMD1A218 typically occurs in the context of the SAP Master Data Governance (MDG) module. This error indicates that a user is attempting to select a key (such as a business partner, material, or customer) that has already been selected by another user in the same session or transaction. 
  Cause:
  
  Concurrent Access: The error usually arises when multiple users are trying to edit or select the same key simultaneously.
  Session Management: The system may not be properly managing user sessions, leading to conflicts when users try to access the same data.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a user has locked a particular key, other users will be unable to select it until the lock is released.
  
  Solution:
  
  Check User Sessions: Verify if another user is currently editing the same key. If so, you may need to wait until they finish their session.
  Release Locks: If you suspect that a lock is causing the issue, you can use transaction code SM12 to check for and release any unnecessary locks. However, be cautious when doing this, as releasing locks can lead to data inconsistencies if not handled properly.
  Retry the Operation: After confirming that the key is not being used by another user, try to select the key again.
  User Communication: If you are in a collaborative environment, communicate with your team to ensure that users are not trying to access the same keys simultaneously.
  System Configuration: If this issue occurs frequently, it may be worth reviewing the system configuration and user roles to ensure that they are set up correctly to minimize conflicts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks) and SM21 (to check system logs for errors).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP MDG documentation for best practices on managing master data and user sessions to avoid conflicts.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis or technical support team for further investigation.