How To Fix CNV_DMC_SIN157 - Tax category cannot be initial in conversion rule &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 157

• Message text: Tax category cannot be initial in conversion rule &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN157 - Tax category cannot be initial in conversion rule &1 ?

  The SAP error message CNV_DMC_SIN157 indicates that there is an issue with the tax category in a conversion rule during a data migration or conversion process. Specifically, the error states that the tax category cannot be initialized (i.e., it cannot be left blank or set to an invalid value) for the specified conversion rule.
  Cause:
  
  Missing Tax Category: The conversion rule is trying to process data where the tax category is not defined or is set to an initial (blank) value.
  Incorrect Configuration: The tax category may not be properly configured in the system, leading to the inability to assign it during the conversion.
  Data Mapping Issues: There may be issues in the mapping of source data to the target system, where the tax category is not being correctly assigned.
  
  Solution:
  
  Check Conversion Rules: Review the conversion rules in the Data Migration Cockpit or the relevant migration tool you are using. Ensure that all required fields, including the tax category, are properly defined.
  Define Tax Categories: Make sure that the tax categories you are trying to use are defined in the target SAP system. You can do this by checking the configuration in the SAP system (transaction codes like OBYZ for tax categories).
  Update Source Data: If the source data is missing tax category information, you may need to update the source data to include valid tax categories before running the conversion again.
  Mapping Configuration: Review the mapping configuration to ensure that the tax category from the source system is correctly mapped to the target system's tax category.
  Consult Documentation: Refer to the SAP documentation or guides related to the specific migration tool you are using for any additional requirements or configurations needed for tax categories.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling tax categories during data migration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: After making changes, conduct thorough testing to ensure that the conversion runs smoothly without errors related to tax categories.
  
  By addressing the above points, you should be able to resolve the CNV_DMC_SIN157 error and successfully complete your data migration or conversion process.