Message type: E = Error
Message class:  CNV_20375_CHECK - Message Class for 20375 Checks 
Message number: 030
Message text: Cost element &1 in controlling area &2 (priority because CostEl mapping)
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The SAP error message CNV_20375_CHECK030 typically relates to issues with cost element mapping during a data migration or conversion process, particularly in the context of SAP S/4HANA migrations or similar projects. This error indicates that there is a problem with the cost element specified in the controlling area, which is critical for the mapping process.
Cause: Cost Element Not Found: The specified cost element (&1) does not exist in the controlling area (&2). Inconsistent Mapping: There may be inconsistencies in the mapping of cost elements between the source and target systems. Inactive Cost Element: The cost element might be inactive or not properly defined in the controlling area.
Configuration Issues: There could be configuration issues in the controlling area that prevent the cost element from being recognized.
Solution: Verify Cost Element: Check if the cost element (&1) exists in the controlling area (&2). You can do this by navigating to the cost element master data in SAP. Check
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