How To Fix CNV_DMC_SIN366 - Tax Type cannot be initial in &1, Tax Group is &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 366

• Message text: Tax Type cannot be initial in &1, Tax Group is &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN366 - Tax Type cannot be initial in &1, Tax Group is &2 ?

  The SAP error message CNV_DMC_SIN366 indicates that there is an issue with the tax configuration in your system. Specifically, it states that the "Tax Type cannot be initial in &1, Tax Group is &2." This error typically arises during data migration or when processing transactions that involve tax calculations.
  Cause:
  
  Missing Tax Type: The error suggests that a required tax type is not specified (i.e., it is "initial" or empty) for a particular tax group. This can happen if the tax configuration is incomplete or if the data being processed does not have the necessary tax type assigned.
  Incorrect Configuration: The tax group may not be properly configured in the system, leading to the absence of a corresponding tax type.
  Data Migration Issues: If you are migrating data from another system, the tax types may not have been correctly mapped or transferred.
  
  Solution:
  
  
  Check Tax Configuration:
  
  Go to the transaction code OBYZ (or the relevant configuration transaction) to review the tax types and tax groups.
  Ensure that the tax group specified in the error message has a valid tax type assigned to it.
  
  
  
  Assign Tax Type:
  
  If the tax type is missing, you will need to assign a valid tax type to the tax group in question. This can be done in the tax configuration settings.
  
  
  
  Review Data:
  
  If this error occurs during data migration, review the data being imported to ensure that all necessary fields, including tax types, are populated correctly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to tax configuration for your specific version of SAP. This can provide additional insights into how to resolve the issue.
  
  
  
  Testing:
  
  After making the necessary changes, perform tests to ensure that the error no longer occurs and that tax calculations are functioning as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYZ (Maintain Tax Types) and OBCO (Define Tax Codes) for managing tax configurations.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide guidance on tax configuration.
  Support: If the issue persists, consider reaching out to SAP support or consulting with a functional consultant who specializes in tax configuration.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN366 error and ensure that your tax configurations are correctly set up.