How To Fix COM_ALTER_IDENT021 - Function group &1 is already locked in request &2

COM_ALTER_IDENT021 - Overview

• Message type: E = Error

• Message class: COM_ALTER_IDENT - Messages for Alternative Identifiers

• Message number: 021

• Message text: Function group &1 is already locked in request &2

What causes this issue?

The function group is already locked in a transport request. All other
components of the alternative ID type will therefore also be written to
this transport request.
This generally occurs when several alternative ID types which use the
same set type are transported directly one after the other, without the
transport requests being released in between.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you do not wish this to occur, release the transports one at a time.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

COM_ALTER_IDENT021 - Details

• The SAP error message COM_ALTER_IDENT021 indicates that a function group is currently locked in a transport request. This typically occurs when multiple users or processes are trying to modify the same function group simultaneously, or if a previous transport request has not been released or is still being processed.
  
  Cause:
  
  Concurrent Access: Another user or process is currently working on the same function group, causing a lock.
  Unreleased Transport Request: The transport request that contains the function group has not been released, which can lead to a lock.
  System Issues: Sometimes, system inconsistencies or issues can lead to locks that are not released properly.
  
  
  Solution:
  
  
  Check Lock Entries:
  
  Use transaction code SM12 to check for lock entries. Look for entries related to the function group in question.
  If you find a lock that is no longer needed (e.g., the user is no longer working on it), you can delete the lock entry. However, be cautious and ensure that