How To Fix CPPEMIG344 - Routing &1 &2 &3 &4 has already been migrated

CPPEMIG344 - Overview

• Message type: E = Error

• Message class: CPPEMIG - Migration of BOM and Routing to iPPE

• Message number: 344

• Message text: Routing &1 &2 &3 &4 has already been migrated

What causes this issue?

The routing with the following key is already migrated:
Task list type: &V1&
Task list number: &V2&
Task list alternative: &V3&
Internal counter: &V4&

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

System Response

The system ignores this routing and continues migration with the next
one.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CPPEMIG344 - Details

• The SAP error message CPPEMIG344 indicates that a routing (or a specific routing variant) has already been migrated in the context of the SAP system's migration process, particularly when dealing with the transition from older versions of SAP to newer ones or when moving to S/4HANA.
  
  Cause:
  The error occurs when you attempt to migrate a routing that has already been processed in a previous migration run. This can happen due to:
  
  Duplicate migration attempts for the same routing.
  An incomplete or interrupted migration process that left some routings in a migrated state.
  A misunderstanding of the migration status of the routing in question.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Migration Status: Verify the migration status of the routing in question. You can do this by checking the relevant tables or using transaction codes that provide insights into the migration status.
  
  
  Review Migration Logs: Look at the migration logs to see if there