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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPPEMIG344 - Routing &1 &2 &3 &4 has already been migrated ?

  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 are any entries related to the routing you are trying to migrate. This can help you understand if it was indeed migrated previously.
  
  
  Avoid Duplicate Migration: Ensure that you are not trying to migrate the same routing multiple times. If the routing has already been migrated, you may not need to perform the migration again.
  
  
  Correct Migration Data: If you believe the routing should not have been migrated, you may need to correct the migration data or reset the migration status for that routing. This may involve using specific SAP transactions or tools designed for migration management.
  
  
  Consult Documentation: Refer to the SAP documentation related to the migration process you are following. There may be specific guidelines or steps to follow that can help you avoid this error.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and migration scenario.
  
  
  Related Information:
  
  Migration Tools: Familiarize yourself with the tools and transactions used for migration in SAP, such as the Migration Cockpit or specific migration programs.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional context on migration issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to address the CPPEMIG344 error and proceed with your migration activities effectively.