Message type: E = Error
Message class:  FINS_FI_MIG - SAP S/4HANA Finance: Data Migration 
Message number: 125
Message text: CO document &1 &2: version &3 illegal field &4 in FINSC_CMP_VERSNC
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The SAP error message FINS_FI_MIG125 typically occurs during the migration of financial data, particularly when dealing with CO (Controlling) documents. This error indicates that there is an issue with the versioning of the financial data being processed. Here’s a breakdown of the components of the error message: CO document &1 &2: This part of the message refers to the specific CO document that is causing the issue, where &1 and &2 are placeholders for the document number and the document type. version &3: This indicates the version of the document that is being processed. illegal field &4: This refers to a specific field in the versioning table FINSC_CMP_VERSNC that is not valid or is not allowed for the given version. Cause The error is typically caused by one of the following issues: Invalid Version: The version specified in the CO document does not exist or is not valid in the context of the migration. Field Mismatch: There
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