How To Fix /IWFND/CM_COS032 - QRC (OIC) could not set lock for list type '&1' and user '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_COS -

• Message number: 032

• Message text: QRC (OIC) could not set lock for list type '&1' and user '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_COS032 - QRC (OIC) could not set lock for list type '&1' and user '&2' ?

  The SAP error message /IWFND/CM_COS032 QRC (OIC) could not set lock for list type '&1' and user '&2' typically indicates an issue related to locking mechanisms in the SAP system, particularly in the context of the OData services and the SAP Gateway framework. This error can occur when the system is unable to acquire a lock for a specific list type for a user, which can lead to issues with data consistency and concurrent access.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same resource simultaneously, leading to a locking conflict.
  Lock Table Issues: The lock table may be full or not functioning correctly, preventing new locks from being set.
  User Session Issues: The user session may have stale locks that are not being released properly.
  Configuration Issues: There may be configuration issues in the OData service or the underlying data model that are causing locking problems.
  
  Solutions:
  
  Check for Active Locks: Use transaction code SM12 to check for active locks in the system. If you find locks that are no longer needed, you can delete them (ensure you have the necessary authorizations).
  Review User Sessions: Ensure that the user sessions are not holding onto locks longer than necessary. If a session is stuck, consider terminating it.
  Increase Lock Table Size: If the lock table is full, you may need to increase its size. This can be done by adjusting the parameters in the SAP system configuration.
  Optimize OData Services: Review the OData service implementation to ensure that it is optimized for concurrent access and does not hold locks longer than necessary.
  Check for Configuration Issues: Review the configuration of the OData service and the underlying data model to ensure that there are no issues that could lead to locking problems.
  System Restart: In some cases, a system restart may help clear stale locks and reset the locking mechanism.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues further.
  Performance Monitoring: Use tools like ST03N to monitor system performance and identify any bottlenecks that may be contributing to locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.