How To Fix CNV_DMC_SIN485 - Migration key date for company code &1 has still status 'In Preparation'

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 485

• Message text: Migration key date for company code &1 has still status 'In Preparation'

What causes this issue?

Before you start with the initial data transfer, you must define an
overall migration key date for each company code.
This customizing step has been performed for the company code &V1& but
the status is still on 'In Preparation'. Migration of transactional data
is not possible with this status.

System Response

How to fix this error?

Use transaction FINS_MIG_CTRL_1 for "Define Settings for Legacy Data
Transfer" to maintain the required initial migration key date for
relevant company codes.
Set the "Legacy Data Transfer Status" to:
In Preparation
Migration key date is still in clarification
Migration of transactional data will not be possible
Ongoing
Required for the initial data transfer
Migration of transactional data will be possible
Completed
After successful initial data transfer
Migration of transactional data will not be possible

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN485 - Migration key date for company code &1 has still status 'In Preparation' ?

  The SAP error message CNV_DMC_SIN485 indicates that the migration key date for a specific company code is still in the status "In Preparation." This typically occurs during the data migration process when the system expects the migration key date to be finalized, but it has not yet been set to a status that allows further processing.
  Cause:
  
  Incomplete Preparation: The migration key date has not been fully prepared or finalized. This could be due to missing configurations or steps in the migration process.
  Pending Activities: There may be pending activities or tasks that need to be completed before the migration key date can be set to a different status.
  Configuration Issues: There might be issues in the configuration settings related to the migration process for the specific company code.
  
  Solution:
  
  Check Migration Status: Review the migration status for the company code in question. Ensure that all necessary preparatory steps have been completed.
  Finalize Key Date: If all preparations are complete, you may need to manually change the status of the migration key date to "Finalized" or the appropriate status that allows further processing.
  Review Logs and Documentation: Check the migration logs for any errors or warnings that might indicate what is preventing the status change. Refer to SAP documentation for specific steps related to your migration scenario.
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on the specific details of your migration project.
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit, as it provides tools and functionalities to manage the migration process effectively.
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation related to the data migration process, especially for the specific version of SAP you are using.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate actions to resolve it.