How To Fix KM120 - Master data table is currently blocked by user &

KM120 - Overview

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 120

• Message text: Master data table is currently blocked by user &

What causes this issue?

The EC-PCA master data tables (Tables CEPC and CEPCT) are currently
locked by another user.

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?

Try the function again later.

Error message extract from SAP system. Copyright SAP SE.

KM120 - Details

• The SAP error message "KM120 Master data table is currently blocked by user" typically indicates that a specific master data table is locked by another user or process, preventing you from making changes or accessing that data. This can occur in various SAP modules, particularly in the context of master data management.
  Causes:
  
  Concurrent Access: Another user or session is currently accessing or modifying the master data table, leading to a lock.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the master data table.
  System Errors: Sometimes, system errors or crashes can leave locks in place that need to be cleared.
  Background Jobs: A background job may be running that is accessing the same data, causing a lock.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock:
  Use transaction code SM12 to view and