Message type: E = Error
Message class:  CNV_DMC_SIN - Messages for s-innovations migration 
Message number: 226
Message text: Country/Witholding tax type cannot be initial in &1, tax code is &2
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The SAP error message CNV_DMC_SIN226 indicates that there is an issue with the configuration of country-specific withholding tax types in the system. Specifically, it suggests that the withholding tax type cannot be initialized for a particular country and tax code.
Cause: Missing Configuration: The withholding tax type for the specified country and tax code may not be properly configured in the system. Incorrect Tax Code: The tax code being referenced may not be valid or may not have the necessary withholding tax type assigned to it. Data Migration Issues: If this error occurs during a data migration process, it may indicate that the source data does not have the required withholding tax information.
Solution: Check Configuration: Go to the SAP configuration settings for withholding tax types (Transaction Code: OBW2). Ensure that the withholding tax type is defined for the specified country and tax code. Verify that the tax code is correctly assigned to the appropriate withholding tax type. Review Tax
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