How To Fix CMS_GENERAL021 - Unlock error encountered in module &1; contact system administrator

CMS_GENERAL021 - Overview

• Message type: E = Error

• Message class: CMS_GENERAL - Common Messages for CMS

• Message number: 021

• Message text: Unlock error encountered in module &1; contact system administrator

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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CMS_GENERAL021 - Details

• The SAP error message CMS_GENERAL021 indicates that there is an unlock error encountered in a specific module, and it suggests contacting the system administrator for assistance. This error typically arises in the context of the SAP Central Management Server (CMS) or when dealing with BusinessObjects.
  Causes:
  
  Locking Mechanism: The error often occurs due to a locking mechanism in the CMS that prevents access to certain resources or objects. This can happen if a process is still holding a lock on an object that another process is trying to access.
  Database Issues: There may be issues with the underlying database that the CMS is using, such as connectivity problems or transaction locks.
  
  Configuration Issues: Incorrect configuration settings in the CMS or related components can lead to locking issues.
  Concurrent Access: Multiple users or processes trying to access or modify the same object simultaneously can lead to conflicts and locking errors.
  
  Solutions:
  
  Check Locks: Use the CMS management tools