Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 030
Message text: Company code &1 assigned to financial management area &2
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The SAP error message CNV_20200_CHECK030 typically indicates an issue related to the assignment of a company code to a financial management area during a data migration or conversion process. This error is part of the SAP Conversion and Migration tools, often encountered when using the SAP S/4HANA Migration Cockpit or similar tools.
Cause: The error message CNV_20200_CHECK030 occurs when: A company code is not properly assigned to a financial management area in the system. There may be inconsistencies in the configuration settings related to the company code and financial management area. The financial management area may not exist or may not be correctly defined in the system.
Solution: To resolve this error, you can follow these steps: Check Configuration: Go to the SAP Customizing Implementation Guide (IMG) and navigate to the relevant configuration settings for financial management areas and company codes. Ensure that the company code in question is correctly assigned to the financial management area. Assign Company Code to Financial
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