How To Fix LM_SEMAPHORE013 - &1, &2, proc. type &3, allowed proc. &4: error for removing allowed proc.

SAP Error Message - Details

• Message type: E = Error

• Message class: LM_SEMAPHORE - Messages for LM Sempahore Handling

• Message number: 013

• Message text: &1, &2, proc. type &3, allowed proc. &4: error for removing allowed proc.

What causes this issue?

The procedure tried to remove the process '&V4&' from the list of
allowed processes of the LM Semaphore with the key field values
System '&V1&'
Client Range '&V2&'
Process Type '&V3&'.

System Response

However, such a process '&V4&' is still running.

How to fix this error?

Wait until the process '&V4&' is finished and then try again.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LM_SEMAPHORE013 - &1, &2, proc. type &3, allowed proc. &4: error for removing allowed proc. ?

  The SAP error message LM_SEMAPHORE013 typically relates to issues with semaphore management in the SAP system, particularly in the context of process types and their allowed processes. This error can occur in various scenarios, often related to the configuration of background jobs or process management.
  Cause:
  The error message indicates that there is an issue with removing an allowed process for a specific process type. The placeholders (&1, &2, &3, &4) in the error message represent specific values related to the error, such as:
  
  &1: The identifier of the semaphore.
  &2: The specific process or job that is causing the issue.
  &3: The type of process that is being referenced.
  &4: The allowed processes for that type.
  
  Common causes for this error include:
  
  Configuration Issues: Incorrect configuration of process types or allowed processes in the system.
  Concurrency Problems: Conflicts arising from multiple processes trying to access or modify the same semaphore.
  Resource Limitations: System resource limits being reached, preventing the removal of processes.
  System Bugs: Potential bugs in the SAP system that may lead to improper semaphore handling.
  
  Solution:
  To resolve the LM_SEMAPHORE013 error, you can take the following steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the process types and allowed processes in the SAP system. Ensure that they are set up correctly and that there are no discrepancies.
  
  
  
  Monitor Processes:
  
  Use transaction codes like SM37 (Job Monitoring) to check for any background jobs that may be stuck or causing conflicts. Terminate or adjust these jobs as necessary.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Adjust Resource Limits:
  
  If the error is related to resource limitations, consider increasing the limits for semaphores or other relevant resources in the operating system.
  
  
  
  Restart the Application Server:
  
  In some cases, restarting the application server may help clear any locks or issues with semaphores.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the full error message and any relevant logs for better diagnosis.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on semaphore management and process types.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Monitoring Tools: Utilize SAP monitoring tools to keep an eye on system performance and resource usage, which can help prevent such errors in the future.
  
  By following these steps, you should be able to diagnose and resolve the LM_SEMAPHORE013 error effectively.