How To Fix ACEC008 - You can create only one mass data project for migration.

SAP Error Message - Details

• Message type: E = Error

• Message class: ACEC - Message for Customizing Consistency Check

• Message number: 008

• Message text: You can create only one mass data project for migration.

What causes this issue?

You have created more than one mass data project for the migration of
the Accrual Engine transactional data.

System Response

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

How to fix this error?

Delete one of the two projects again in the
<DS:SIMG.ACEV_MIG_MPROJCT>corresponding Customizing activity</>.

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 ACEC008 - You can create only one mass data project for migration. ?

  The SAP error message ACEC008 indicates that you are trying to create more than one mass data project for migration in the SAP system, which is not allowed. This restriction is in place to ensure data integrity and avoid conflicts during the migration process.
  Cause:
  The error occurs when:
  
  You attempt to create a new mass data project while another one is already active or exists in the system.
  The system is designed to allow only one active mass data project at a time to prevent overlapping data migrations that could lead to inconsistencies.
  
  Solution:
  To resolve the ACEC008 error, you can take the following steps:
  
  
  Check Existing Projects: 
  
  Go to the relevant transaction (e.g., transaction code LTMC for Migration Cockpit) and check if there is an existing mass data project that is currently active.
  If there is an active project, you may need to complete or delete it before creating a new one.
  
  
  
  Delete or Complete the Existing Project:
  
  If the existing project is no longer needed, you can delete it. Ensure that you have the necessary authorizations to perform this action.
  If the project is still in use, complete the migration process for that project before attempting to create a new one.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to mass data migration projects to understand the limitations and best practices.
  
  
  
  Contact Support:
  
  If you are unsure about how to proceed or if you believe this error is occurring in error, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) or LTMOM (for Migration Object Modeler) that are used for managing mass data projects.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  Best Practices: Follow best practices for data migration, including proper planning, testing, and validation of data before and after migration.
  
  By following these steps, you should be able to resolve the ACEC008 error and successfully manage your mass data migration projects in SAP.