How To Fix CK491 - Material master locked by user &

CK491 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 491

• Message text: Material master locked by user &

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 CK491 - Material master locked by user & ?

  The SAP error message CK491 indicates that a material master record is locked by a user, preventing other users from making changes to that record. This typically occurs when a user is currently editing the material master or if a previous session did not close properly, leaving the record in a locked state.
  
  Cause:
  
  User Editing: The most common cause is that another user is currently editing the material master record.
  Session Timeout: If a user was editing the record and their session timed out or was terminated unexpectedly, the lock may not have been released.
  Background Jobs: Sometimes, background jobs that are processing material master data can also lock the record.
  System Errors: Occasionally, system errors or crashes can lead to locks not being released properly.
  
  
  Solution:
  
  
  Check User Lock: Use transaction code SM12 to check for locks on the material master. You can filter by the material number or the user ID to see who