How To Fix MMRP01005 - Matrix is locked by a different process

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 005

• Message text: Matrix is locked by a different process

What causes this issue?

The RPM is locked by another process at the moment.

System Response

The system does not allow the requested operation.

How to fix this error?

Try again later.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01005 - Matrix is locked by a different process ?

  The SAP error message MMRP01005 indicates that a matrix (typically a material master or similar data structure) is locked by a different process. This usually occurs when multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Another user or background job is currently accessing or modifying the same material master data.
  Long-Running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  System Issues: Sometimes, system issues or bugs can lead to locks not being released properly.
  User Errors: Users may inadvertently leave transactions open, causing locks to persist.
  
  Solution:
  
  Wait and Retry: Often, the simplest solution is to wait for a few moments and then try the operation again. The lock may be released once the other process completes.
  Identify the Lock: Use transaction code SM12 to check for active locks. You can see which user or process is holding the lock and decide whether to wait or take further action.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may disrupt the other user's work.
  Check Background Jobs: If a background job is causing the lock, you may need to wait for it to complete or check if it can be terminated safely.
  Review Transaction Logic: If this error occurs frequently, review the transaction logic to ensure that locks are being managed properly and that transactions are not left open longer than necessary.
  Consult with Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team to investigate further, especially if there are underlying system issues.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors or warnings.
  ST22: To check for dumps that might indicate underlying issues.
  
  
  Documentation: Refer to SAP Notes and documentation for specific guidance on handling locks and troubleshooting related issues.
  User Training: Ensure that users are trained on proper transaction handling to minimize the occurrence of locks.
  
  By following these steps, you should be able to resolve the MMRP01005 error and prevent it from occurring in the future.