How To Fix RSPLF452 - Execution instance &1 (of planning sequence) locked by user &2

RSPLF452 - Overview

• Message type: E = Error

• Message class: RSPLF - Planning Framework

• Message number: 452

• Message text: Execution instance &1 (of planning sequence) locked by user &2

What causes this issue?

Execution instance changed to another process.

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

Error message extract from SAP system. Copyright SAP SE.

RSPLF452 - Details

• The SAP error message RSPLF452 indicates that a planning sequence execution instance is locked by a user. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BPC (Business Planning and Consolidation) when a planning sequence is being executed, and another user or process has locked the instance for that sequence.
  
  Cause:
  
  Concurrent Execution: Another user or process is currently executing the same planning sequence, which locks the instance to prevent data inconsistencies.
  Long-Running Processes: A previous execution of the planning sequence may be taking longer than expected, causing the lock to persist.
  User Lock: A user may have manually locked the planning sequence for maintenance or other reasons.
  
  
  Solution:
  
  Wait and Retry: If the lock is due to another user executing the planning sequence, you may need to wait until that user completes their task. You can then retry executing the planning sequence.
  Identify the Locking User: Use transaction codes like SM12 (for