How To Fix KZ551 - Data locked by user & (table &)

KZ551 - Overview

• Message type: E = Error

• Message class: KZ - Cost Object Repetitive Mfg / Process Mfg

• Message number: 551

• Message text: Data locked by user & (table &)

What causes this issue?

For consistency all the data to be transported has to be locked.
Locking is not possible in this case, because user &v1& is locking
Table &V2&.

System Response

The system can only carry out the function you selected if all the
data needed can be locked.

How to fix this error?

Wait until user &V1& has finished working in the table, or ask that
user to leave it.

Error message extract from SAP system. Copyright SAP SE.

KZ551 - Details

• The SAP error message KZ551 indicates that a particular data record is locked by a user, which prevents other users from accessing or modifying that data. This locking mechanism is a part of SAP's concurrency control to ensure data integrity and prevent conflicts when multiple users are trying to access the same data simultaneously.
  
  Cause:
  The error occurs when:
  
  A user is currently editing or processing a record in a specific table, and that record is locked for editing.
  The lock may be due to a transaction that has not been completed or has been left open.
  The user may have exited the transaction without properly releasing the lock.
  The lock could also be due to a background job or another process that is currently using the data.
  
  
  Solution:
  To resolve the KZ551 error, you can take the following steps:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to view the lock entries. You can filter by the user ID or