How To Fix ACE_MIG001 - Migration of application &1 (&2) must be performed first

SAP Error Message - Details

• Message type: E = Error

• Message class: ACE_MIG - Accrual Engine migration: Messages from migration

• Message number: 001

• Message text: Migration of application &1 (&2) must be performed first

What causes this issue?

You want to use the application &V1& (&V2&).

System Response

This application is based in the new S/4HANA Accrual Engine. You need to
perform the migration of this application from the old Accrual Engine
to the new S/4HANA Accrual Engine first. You need to do this for all
company codes that are being used by this application.

How to fix this error?

Execute the <DS:SIMG.ACEV_MIG_MPROJCT>corresponding activities</> in the
implementation guide (IMG).

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message ACE_MIG001 - Migration of application &1 (&2) must be performed first ?

  The SAP error message ACE_MIG001 indicates that a migration process for a specific application must be completed before proceeding with another operation. This error typically arises in the context of application migration or upgrade processes within SAP systems, particularly when dealing with SAP S/4HANA or other SAP applications that require a structured migration path.
  Cause:
  The error occurs when:
  
  Dependency on Migration Steps: The application you are trying to migrate or operate on has dependencies on previous migration steps that have not been completed.
  Incorrect Sequence of Operations: The migration process is being executed out of the required sequence, meaning that certain prerequisite migrations must be completed first.
  Incomplete Migration: There may be an incomplete or failed migration of the specified application, which prevents further actions.
  
  Solution:
  To resolve the ACE_MIG001 error, follow these steps:
  
  
  Check Migration Status: Verify the status of the migration for the application indicated in the error message. Ensure that all prerequisite migrations have been completed successfully.
  
  
  Review Migration Documentation: Consult the SAP migration documentation for the specific application to understand the required sequence of migration steps. This documentation will provide guidance on what needs to be done before proceeding.
  
  
  Complete Prerequisite Migrations: If there are any pending migrations for the application, complete those first. This may involve running specific migration programs or transactions.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like SFW5 for business function activation or S4HANA_MIGRATION for migration activities) to check and manage the migration process.
  
  
  Check for Notes and Updates: Look for any SAP Notes or updates related to the migration process for your specific version of SAP. These notes may provide additional insights or fixes for known issues.
  
  
  Consult SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for assistance. They can provide more detailed troubleshooting based on your specific system configuration and migration scenario.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address specific issues related to the migration process.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the correct migration paths and using the tool as intended.
  
  By following these steps, you should be able to resolve the ACE_MIG001 error and successfully complete the migration process for the specified application.