How To Fix SLD021 - Error when closing background job scheduler

SAP Error Message - Details

• Message type: E = Error

• Message class: SLD - SLD Messages

• Message number: 021

• Message text: Error when closing background job scheduler

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SLD021 - Error when closing background job scheduler ?

  The SAP error message SLD021 typically indicates an issue related to the background job scheduler in the SAP system. This error can occur for various reasons, and understanding the cause and potential solutions can help in resolving the issue.
  Cause:
  
  Job Scheduling Conflicts: There may be conflicts with other jobs that are scheduled to run at the same time.
  Resource Limitations: The system may be running low on resources (CPU, memory, etc.), which can prevent the job scheduler from closing properly.
  Database Locks: There may be locks on database tables that the job scheduler needs to access, preventing it from completing its operations.
  Configuration Issues: Incorrect configuration settings in the background job scheduler or related components can lead to this error.
  System Errors: General system errors or inconsistencies in the SAP environment can also trigger this error.
  
  Solution:
  
  Check Job Status: Use transaction code SM37 to check the status of background jobs. Look for any jobs that are stuck or have failed and resolve those issues.
  Review System Logs: Check the system logs (transaction code SM21) for any related error messages that could provide more context on the issue.
  Monitor Resource Usage: Use transaction codes like ST02 (buffer management) and ST03 (workload analysis) to monitor system performance and resource usage. If resources are low, consider optimizing or increasing them.
  Release Locks: If there are database locks, you can use transaction code SM12 to check for and release any unnecessary locks.
  Configuration Review: Review the configuration settings for the background job scheduler to ensure they are set correctly. This may involve checking settings in transaction SM36 (Define Background Job) and SM37.
  Restart the Job Scheduler: If the issue persists, consider restarting the background job scheduler. This can sometimes clear temporary issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes:
  
  SM37: Monitor Background Jobs
  SM12: Display and Delete Locks
  SM21: System Log
  ST02: Tune Buffers
  ST03: Workload Analysis
  
  
  SAP Support: If the issue cannot be resolved with the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  By following these steps, you should be able to diagnose and resolve the SLD021 error in the SAP background job scheduler.