How To Fix UPO_MIG409 - Reschedule close all open PPN's. Wait to complete

UPO_MIG409 - Overview

• Message type: E = Error

• Message class: UPO_MIG - Message Class for PRA->UOM Migration

• Message number: 409

• Message text: Reschedule close all open PPN's. Wait to complete

Self-Explanatory Message

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UPO_MIG409 - Details

• The SAP error message UPO_MIG409 typically indicates that there are open Production Planning Network (PPN) items that need to be closed before proceeding with a specific operation, such as a migration or a system update. This error is often encountered during processes that require a clean state of the PPNs, such as data migration or system upgrades.
  
  Cause:
  The error occurs when there are still open PPNs in the system that have not been completed or closed. This can happen due to various reasons, such as:
  
  Pending production orders that are still active.
  Incomplete or unprocessed transactions related to production planning.
  System settings or configurations that prevent the closure of PPNs.
  
  
  Solution:
  To resolve the UPO_MIG409 error, you can follow these steps:
  
  
  Identify Open PPNs:
  
  Use transaction codes like CO03 (Display Production Order) or C223 (Display PPN) to check for any open PPNs in the system.
  Review the status of production orders and ensure that they are either completed or