How To Fix JITOUT127 - System error occurred during (un-)locking

SAP Error Message - Details

• Message type: E = Error

• Message class: JITOUT - Messages for JIT Outbound

• Message number: 127

• Message text: System error occurred during (un-)locking

What causes this issue?

When archiving is carried out, tables are first of all locked. A system
error occurred when trying to lock the entries for call &v1& in table
<LS>PABASN</>.

System Response

The system terminates archiving.

How to fix this error?

Make your selections and carry out archiving again. If the problem
persists speak to the system administrator.

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 JITOUT127 - System error occurred during (un-)locking ?

  The SAP error message JITOUT127, which indicates that a system error occurred during (un-)locking, typically relates to issues with the locking mechanism in the SAP system. This can happen in various scenarios, such as when trying to lock or unlock objects in the database or during transaction processing.
  Causes:
  
  Database Lock Issues: The error may arise due to problems with the database locks, such as deadlocks or timeouts.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to failures in processing lock requests.
  Network Issues: Network interruptions or connectivity problems between the application server and the database can cause locking errors.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to locking problems.
  Software Bugs: There may be bugs in the SAP software or the underlying database that cause locking issues.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) and the developer trace (transaction ST22) for more detailed error messages that can provide insights into the root cause.
  Database Lock Table: Use transaction SM12 to check for any existing locks that may be causing the issue. You can manually delete locks if they are stale or no longer needed.
  Restart Application Server: If the issue persists, consider restarting the affected application server to clear any temporary issues.
  Check System Resources: Monitor system resources (CPU, memory, disk space) to ensure that the system is not under heavy load.
  Review Configuration: Ensure that the SAP system and database configurations are correct and optimized for performance.
  Update Software: Check for any available patches or updates for your SAP system that may address known bugs related to locking.
  Contact SAP Support: If the issue cannot be resolved with the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps).
  SAP Notes: Search for SAP Notes related to JITOUT127 for any specific fixes or recommendations provided by SAP.
  Performance Monitoring: Regularly monitor system performance and locking behavior to proactively identify and resolve potential issues.
  
  By following these steps, you should be able to diagnose and resolve the JITOUT127 error in your SAP system.