How To Fix LR250 - Interface table CATSMM cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: LR - CATS: Cross-Application Time Sheet

• Message number: 250

• Message text: Interface table CATSMM cannot be locked

What causes this issue?

Once the system has begun transferring time sheet records to MM-SRV,
the interface table CATSMM is locked for other users.
The interface table CATSMM is currently locked. You cannot transfer
data to MM-SRV. It is possible that another user is locking the
interface table CATSMM at present while transferring data to MM-SRV.

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?

Start the transfer again late.

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 LR250 - Interface table CATSMM cannot be locked ?

  The SAP error message LR250, which states "Interface table CATSMM cannot be locked," typically occurs when there is an issue with locking the CATSMM table, which is used in the Cross-Application Time Sheet (CATS) functionality. This error can arise due to various reasons, including database locks, concurrent access, or issues with the application itself.
  Causes:
  
  Database Lock: The CATSMM table may be locked by another transaction or user, preventing your transaction from acquiring the necessary lock.
  Long-running Transactions: If another user or process is holding a lock on the table for an extended period, it can lead to this error.
  System Performance Issues: High system load or performance issues can lead to delays in acquiring locks.
  Configuration Issues: Incorrect configuration in the CATS settings or related modules may lead to locking issues.
  Background Jobs: Background jobs that interact with the CATSMM table may be causing locks.
  
  Solutions:
  
  Check for Locks: Use transaction code SM12 to check for existing locks on the CATSMM table. If you find locks that are no longer needed, you can delete them (ensure you have the necessary authorizations).
  Wait and Retry: If the lock is held by another user or process, waiting for a short period and then retrying the operation may resolve the issue.
  Analyze Long-running Transactions: Use transaction code SM66 to monitor active processes and identify any long-running transactions that may be holding locks.
  Review Background Jobs: Check for any background jobs that may be running and interacting with the CATSMM table. You can use transaction code SM37 to review job logs and statuses.
  System Performance: If the system is under heavy load, consider optimizing performance or scheduling tasks during off-peak hours.
  Configuration Review: Review the configuration settings related to CATS and ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM66: To monitor active processes across the system.
  SM37: To check background job statuses.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CATSMM table and locking issues.
  Documentation: Review SAP documentation on CATS and locking mechanisms for further insights.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.