How To Fix EHPRC_ACP027 - Another program wants to stop ACP to avoid locks

SAP Error Message - Details

• Message type: E = Error

• Message class: EHPRC_ACP -

• Message number: 027

• Message text: Another program wants to stop ACP to avoid locks

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EHPRC_ACP027 - Another program wants to stop ACP to avoid locks ?

  The SAP error message EHPRC_ACP027 indicates that another program is attempting to stop the Application Control Process (ACP) to prevent potential locks in the system. This situation typically arises in environments where multiple processes or programs are trying to access the same resources concurrently, leading to potential deadlocks or resource contention.
  Cause:
  
  Concurrent Access: Multiple programs or processes are trying to access or modify the same data or resources simultaneously.
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity. If one process holds a lock and another process tries to acquire it, the second process may be blocked.
  Resource Contention: High system load or inefficient coding can lead to contention for resources, prompting the system to stop the ACP to avoid further complications.
  
  Solution:
  
  Identify Conflicting Processes: Use transaction codes like SM12 (to check locks) and SM21 (to check system logs) to identify which processes are causing the conflict.
  Analyze and Optimize Code: Review the code of the programs involved to ensure they are optimized for performance and do not hold locks longer than necessary.
  Adjust Lock Settings: If applicable, consider adjusting the lock settings or the way locks are managed in your application to reduce contention.
  Increase System Resources: If the issue is due to high load, consider scaling up your system resources (CPU, memory) to handle the load better.
  Schedule Jobs Appropriately: If possible, schedule jobs that are known to cause contention to run at different times to minimize overlap.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error or improve the locking mechanism.
  
  Related Information:
  
  SAP Documentation: Review SAP's official documentation regarding locking mechanisms and best practices for managing concurrent processes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Performance Monitoring: Utilize SAP's performance monitoring tools to keep an eye on system performance and identify potential bottlenecks.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.