How To Fix CK378 - Material master in plant & could not be locked

CK378 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 378

• Message text: Material master in plant & could not be locked

What causes this issue?

At least one material master record in plant &V1& is locked by another
user.

System Response

The material master record in plant &V1& could not be locked for
costing.

How to fix this error?

Run the program at a later time.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK378 - Material master in plant & could not be locked ?

  The SAP error message CK378 typically indicates that there is an issue with the material master data in a specific plant, and it cannot be locked for processing. This can occur during various transactions, such as when trying to create or change material master records.
  
  Cause:
  
  Concurrent Access: The most common cause of this error is that another user or process is currently accessing the material master data, preventing your transaction from locking it.
  Database Lock: There may be a database lock on the material master record due to a previous transaction that has not yet been completed or has failed.
  Authorization Issues: The user may not have the necessary authorizations to lock the material master data.
  System Performance Issues: High system load or performance issues can also lead to locking problems.
  
  
  Solution:
  
  Check for Active Sessions: Use transaction code SM12 to check for any active locks on the material master record. If you find any locks