Message type: E = Error
Message class:  CNV_20000 - Messages for fiscal year change 
Message number: 017
Message text: Fiscal Year variant &1 from FI-AA not found in table T009
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The SAP error message CNV_20000017 indicates that the fiscal year variant specified in the Asset Accounting (FI-AA) module is not found in the T009 table. This error typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
Cause: Missing Fiscal Year Variant: The fiscal year variant specified in the configuration for Asset Accounting does not exist in the T009 table. This could be due to: The fiscal year variant not being created in the system. A typo or incorrect reference to the fiscal year variant in the configuration or migration settings. The fiscal year variant being deleted or not properly transported from a development or test environment to the production environment.
Configuration Issues: The configuration for Asset Accounting may not be set up correctly, leading to the system not recognizing the fiscal year variant.
Solution: Check T009 Table: Use transaction code SE16 or SE16N to access the T009 table
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