How To Fix RSDMDM026 - Where-used check is running in the background

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDMDM - RSDMDM

• Message number: 026

• Message text: Where-used check is running in the background

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDMDM026 - Where-used check is running in the background ?

  The SAP error message RSDMDM026 indicates that a "Where-used check is running in the background." This message typically occurs when a user attempts to perform an action that requires a "where-used" check on a data model or object, but another instance of that check is already in progress.
  Cause:
  
  Concurrent Execution: The most common cause of this error is that a previous "where-used" check is still being processed in the background. This can happen if multiple users or processes are trying to access the same object simultaneously.
  Long-running Processes: If the "where-used" check is taking longer than expected due to the complexity of the data model or the volume of data, it may lead to this message being displayed.
  System Performance Issues: If the SAP system is experiencing performance issues, it may slow down the execution of background jobs, leading to this error.
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait for the current "where-used" check to complete. You can check the status of background jobs in transaction SM37 (Job Monitoring) to see if the job is still running.
  Check Background Jobs: Use transaction SM37 to monitor background jobs. Look for jobs related to the "where-used" check and see if they are still active. If they are taking too long, you may need to investigate further.
  Terminate Long-Running Jobs: If you determine that a job is stuck or taking too long, you can terminate it from the SM37 transaction. However, be cautious when doing this, as it may affect other users or processes.
  Avoid Concurrent Checks: If possible, coordinate with other users to avoid running multiple "where-used" checks on the same object simultaneously.
  System Performance: If this issue occurs frequently, consider checking the overall performance of the SAP system. You may need to optimize database performance, increase system resources, or review the design of the data model to improve efficiency.
  
  Related Information:
  
  Transaction Codes: 
  
  SM37: Job Monitoring
  RSD1: DataSource Maintenance
  RSD5: InfoObject Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to "where-used" checks or performance optimizations.
  Documentation: Review SAP documentation for best practices on managing data models and performance tuning.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.