How To Fix UCUW019 - Maintenance is done in another transaction

SAP Error Message - Details

• Message type: E = Error

• Message class: UCUW -

• Message number: 019

• Message text: Maintenance is done in another transaction

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 UCUW019 - Maintenance is done in another transaction ?

  The SAP error message UCUW019, which states "Maintenance is done in another transaction," typically occurs when a user attempts to make changes to a record or object that is currently being edited or locked by another user or transaction. This is a common issue in systems where multiple users may be accessing and modifying the same data simultaneously.
  Cause:
  
  Record Locking: The most common cause of this error is that the record you are trying to edit is locked by another user or transaction. SAP uses a locking mechanism to prevent data inconsistencies that can occur when multiple users try to modify the same data at the same time.
  Long-running Transactions: If a transaction takes a long time to complete, it may hold the lock on the record for an extended period, leading to this error for other users.
  Background Jobs: Sometimes, background jobs or processes may also lock records, causing this error for users trying to access the same data.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for a few moments and then try to access the record again. If the other transaction completes, the lock will be released.
  Identify the Lock: You can use transaction code SM12 to check for locks on the record. This transaction allows you to see which user or process is holding the lock. If you have the necessary permissions, you can also release the lock.
  Communicate with Users: If you identify that another user is working on the same record, communicate with them to understand their needs and coordinate your changes.
  Check for Background Jobs: If a background job is causing the lock, you may need to wait for it to complete or check with your system administrator to see if it can be rescheduled.
  Transaction Monitoring: If this issue occurs frequently, consider monitoring transactions and user activities to identify patterns that lead to locking issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to troubleshoot issues effectively.
  User Training: Ensure that users are trained on how to properly exit transactions and release locks when they are done to minimize locking issues.
  System Configuration: In some cases, system configuration settings related to locking behavior may need to be reviewed by a system administrator.
  
  If the problem persists despite trying the above solutions, it may be necessary to consult with your SAP Basis team or technical support for further assistance.