Message type: E = Error
Message class:  FINS_FI_MIG - SAP S/4HANA Finance: Data Migration 
Message number: 623
Message text: Current migration run is not finished
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Check the status of the current migration run in transaction
<DS:TRAN.FINS_MIG_STATUS>FINS_MIG_STATUS</>.
In case the current migration run is not a delta run, you can just set
the next activity back to the first migration activity to repeat the
full migration run.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FINS_FI_MIG623 indicates that a current migration run is not finished. This typically occurs during the migration process in SAP S/4HANA, particularly when migrating financial data from an older system to S/4HANA.
Cause: Incomplete Migration Process: The migration run may have been interrupted or not completed due to various reasons such as system errors, network issues, or user intervention. Multiple Migration Runs: If there are multiple migration runs being executed simultaneously, it can lead to conflicts and this error may be triggered. Locking Issues: The migration process may be locked by another transaction or user, preventing the current run from completing.
Configuration Issues: Incorrect configuration settings in the migration cockpit or related tools can also lead to this error.
Solution: Check Migration Status: Use transaction code FINS_MIG_STATUS to check the status of the migration run. This will help you identify if the migration is still in progress or if it has failed. Complete or Cancel
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