How To Fix ECH_MSG020 - Lock problem with material &1 for business process &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ECH_MSG - Messages for Error & Conflict Handler

• Message number: 020

• Message text: Lock problem with material &1 for business process &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ECH_MSG020 - Lock problem with material &1 for business process &2 ?

  The SAP error message ECH_MSG020 indicates a lock problem with a specific material for a given business process. This typically occurs when multiple users or processes are trying to access or modify the same material simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same material at the same time.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the material, preventing others from accessing it.
  System Configuration: Certain configurations in the SAP system may lead to locking issues, especially if the locking mechanism is not properly set up.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify Locking User/Process: Use transaction code SM12 to check for active locks on the material. This will show you which user or process is holding the lock.
  Release Locks: If you identify a lock that is no longer needed (e.g., a user has left the session open), you can manually release the lock using SM12. However, be cautious when doing this, as it may lead to data inconsistencies.
  Optimize Transactions: Review and optimize long-running transactions to minimize the time locks are held.
  Check Configuration: Ensure that the locking mechanism in your SAP system is configured correctly. Consult with your SAP Basis team if necessary.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  ST22: To check for dumps that may provide more context on the error.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking problems.
  Documentation: Review SAP documentation on locking mechanisms and best practices for managing concurrent access to materials.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.