How To Fix SDMSK_UI250 - System enqueue error

SAP Error Message - Details

• Message type: E = Error

• Message class: SDMSK_UI - Data Masking: UI

• Message number: 250

• Message text: System enqueue error

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 SDMSK_UI250 - System enqueue error ?

  The SAP error message "SDMSK_UI250 System enqueue error" typically indicates that there is an issue with the system's enqueue service, which is responsible for managing locks on objects in the SAP system. This error can occur in various scenarios, particularly when multiple users or processes are trying to access the same resource simultaneously.
  Causes:
  
  Lock Conflicts: The most common cause is a conflict where one user or process is trying to access a resource that is already locked by another user or process.
  System Performance Issues: If the system is under heavy load, it may not be able to handle enqueue requests properly, leading to timeouts or failures.
  Configuration Issues: Incorrect configuration of the enqueue service or related components can lead to errors.
  Database Issues: Problems with the underlying database, such as connectivity issues or performance bottlenecks, can also cause enqueue errors.
  Transport Issues: If you are working with transports, there may be issues with the transport directory or the transport management system.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If you find locks that are no longer needed, you can delete them (ensure that you have the necessary authorizations and that it is safe to do so).
  System Performance Monitoring: Monitor system performance using transaction codes like ST22 (dump analysis) and SM66 (global work process overview) to identify any bottlenecks or issues.
  Restart Enqueue Service: If the enqueue service is malfunctioning, you may need to restart it. This can typically be done through the SAP kernel or by restarting the SAP instance.
  Check Configuration: Review the configuration of the enqueue service in the SAP system. Ensure that it is set up correctly and that there are no misconfigurations.
  Database Health Check: Check the health of the database and ensure that it is performing optimally. Look for any locks or long-running queries that may be affecting performance.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the enqueue service or the error message you are encountering.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log for monitoring system messages.
  ST22: Dump analysis for checking short dumps.
  SM66: Global work process overview.
  
  
  SAP Notes: Always check the SAP Support Portal for any specific notes related to the error message or the components involved.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.