How To Fix SDMSK_UI254 - Mask definition enqueued by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: SDMSK_UI - Data Masking: UI

• Message number: 254

• Message text: Mask definition enqueued by another user

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 SDMSK_UI254 - Mask definition enqueued by another user ?

  The SAP error message "SDMSK_UI254 Mask definition enqueued by another user" typically occurs in the context of the SAP SD (Sales and Distribution) module when a user tries to access or modify a mask definition that is currently locked by another user. This locking mechanism is in place to prevent concurrent modifications that could lead to data inconsistencies.
  Cause:
  
  Locking Mechanism: The mask definition you are trying to access is currently being edited or viewed by another user. SAP uses a locking mechanism to ensure that only one user can make changes to a particular object at a time.
  Long Transactions: If the user who has the mask definition open is taking a long time to complete their transaction, it can lead to prolonged locking.
  Session Issues: Sometimes, a user may have an open session that is not properly closed, leading to a lock on the object.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their work and release the lock. You can try again after some time.
  Check Lock Entries: You can check the lock entries using transaction code SM12. This will allow you to see which user has locked the mask definition. If you have the necessary authorizations, you can delete the lock entry, but this should be done with caution as it may disrupt the other user's work.
  Communicate with the User: If you know who the other user is, you can communicate with them to see if they can finish their work or release the lock.
  Transaction Monitoring: If this issue occurs frequently, it may be worth monitoring the transactions that lead to this lock and optimizing the process to reduce the time locks are held.
  System Configuration: In some cases, reviewing the system configuration and user roles may help in understanding why locks are being held for extended periods.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to troubleshoot further.
  User Authorizations: Ensure that users have the appropriate authorizations to access and modify mask definitions without unnecessary locks.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to mask definitions and locking behavior in your version of SAP.
  
  If the problem persists or if you are unsure about taking any actions, it may be best to consult with your SAP Basis team or a technical consultant for further assistance.