How To Fix /STMC/CR_MSG491 - CDL document class &1 already locked

/STMC/CR_MSG491 - Overview

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 491

• Message text: CDL document class &1 already locked

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 /STMC/CR_MSG491 - CDL document class &1 already locked ?

  The SAP error message /STMC/CR_MSG491 CDL document class &1 already locked typically indicates that a document class in the SAP system is currently locked, preventing further actions such as creating, modifying, or deleting documents of that class. This locking mechanism is often in place to ensure data integrity and prevent concurrent modifications that could lead to inconsistencies.
  
  Cause:
  
  Concurrent Access: Another user or process is currently accessing or modifying the document class, leading to a lock.
  Long-Running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  System Errors: Sometimes, system errors or crashes can leave locks in place that are not released properly.
  
  Configuration Issues: Incorrect configuration or settings related to document classes can also lead to locking issues.
  
  
  Solution:
  
  Wait and Retry: If the lock is due to another user or process, waiting for a short period and then retrying the operation may resolve the issue.
  Identify the Lock: