How To Fix G3543 - Lock mode entry already exists - no change necessary

G3543 - Overview

• Message type: E = Error

• Message class: G3 - Messages for SAP Consolidation: Integration

• Message number: 543

• Message text: Lock mode entry already exists - no change necessary

What causes this issue?

A lock mode entry already exists for the entered parameter.

System Response

Therefore no changes to the Customizing settings are necessary.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message G3543 - Lock mode entry already exists - no change necessary ?

  The SAP error message G3543 ("Lock mode entry already exists - no change necessary") typically occurs in the context of lock management in SAP, particularly when dealing with lock objects. This error indicates that an attempt was made to set a lock mode that is already in place for a particular object, and therefore, no changes are necessary.
  
  Cause:
  
  Duplicate Lock Request: The error usually arises when a program or transaction tries to set a lock on an object that is already locked in the same mode. For example, if a transaction tries to lock a record in "exclusive" mode while it is already locked in "exclusive" mode, this error will be triggered.
  Concurrency Control: This is part of SAP's concurrency control mechanism to prevent deadlocks and ensure data integrity. If a lock is already established, the system will not allow a redundant request.
  
  
  Solution:
  
  Check Lock Status: Use transaction code SM12 to check the