How To Fix SRM_GENERIC_SP126 - Program error: Operation &1 called but not locked. &4

SAP Error Message - Details

• Message type: E = Error

• Message class: SRM_GENERIC_SP - SRM: Generic Service Provider

• Message number: 126

• Message text: Program error: Operation &1 called but not locked. &4

What causes this issue?

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System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SRM_GENERIC_SP126 - Program error: Operation &1 called but not locked. &4 ?

  The SAP error message "SRM_GENERIC_SP126 Program error: Operation &1 called but not locked. &4" typically indicates that there is an issue with the locking mechanism in the SAP system, particularly in the context of SAP Supplier Relationship Management (SRM). This error can occur when a program attempts to perform an operation on a data object that is not currently locked, which is necessary to ensure data integrity during concurrent processing.
  Cause:
  
  Concurrency Issues: The error often arises when multiple processes or users are trying to access or modify the same data simultaneously, and the system is unable to lock the required data object.
  Program Logic Error: There may be a flaw in the program logic where the locking mechanism is not correctly implemented or is bypassed.
  Database Locking Issues: The database may not be able to acquire the necessary locks due to deadlocks or other locking conflicts.
  Configuration Issues: Incorrect configuration settings in the SRM system can lead to locking problems.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If there are stale locks, you may need to delete them.
  Review Program Logic: If you have access to the ABAP code, review the program logic to ensure that the locking mechanism is correctly implemented. Ensure that the ENQUEUE and DEQUEUE statements are used properly.
  Debugging: If you have development access, you can debug the program to identify where the locking is failing. Look for the specific operation that is causing the error.
  Transaction Management: Ensure that transactions are being managed correctly. If a transaction is not committed or rolled back properly, it can lead to locking issues.
  System Performance: Check the overall performance of the SAP system. High load or performance issues can lead to locking problems.
  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 and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dump analysis) to help diagnose the issue.
  SAP Documentation: Review SAP documentation related to locking mechanisms in ABAP and SRM to understand how locks are managed.
  Performance Monitoring: Use transaction ST03N to monitor system performance and identify any bottlenecks that may be contributing to the locking issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.