Message type: E = Error
Message class:  FINS_FI_MIG - SAP S/4HANA Finance: Data Migration 
Message number: 631
Message text: Migration scenario from &1 &2 to &3 &4 is invalid
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The SAP error message FINS_FI_MIG631 typically occurs during the migration process in SAP S/4HANA, particularly when migrating financial data from one system to another. This error indicates that the migration scenario you are trying to execute is invalid for the specified source and target systems.
Cause: The error can be caused by several factors, including: Incompatible Migration Scenarios: The source and target systems may not be compatible for the specified migration scenario. For example, you might be trying to migrate data from a legacy system that does not match the expected format or structure of the target system. Incorrect Configuration: The configuration settings for the migration might not be set up correctly. This could include missing or incorrect parameters in the migration settings. Missing Data: Required data or master data might be missing in the source system, which is necessary for the migration to proceed. Version Mismatch: The versions of the source and target systems may
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