How To Fix CMMD084 - Error when setting a lock

CMMD084 - Overview

• Message type: E = Error

• Message class: CMMD -

• Message number: 084

• Message text: Error when setting a lock

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMMD084 - Error when setting a lock ?

  The SAP error message CMMD084 indicates that there is an issue with setting a lock in the system. This error typically arises in scenarios where multiple processes or users are trying to access or modify the same data simultaneously, leading to a conflict in locking mechanisms.
  
  Cause:
  
  Concurrent Access: The most common cause of this error is that another user or process has already locked the object you are trying to access. This can happen in environments with high concurrency.
  Lock Table Overflow: If the lock table is full, new locks cannot be set, leading to this error.
  System 
  Configuration Issues: Misconfigurations in the SAP system or issues with the underlying database can also lead to locking problems.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than necessary, causing other transactions to fail when trying to acquire the same locks.
  
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check