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

MMRP01005 - Overview

• 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