How To Fix ICC_CONDTAX018 - Field &1 in tax group &2 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: ICC_CONDTAX - International Development: Condition-based tax calculation

• Message number: 018

• Message text: Field &1 in tax group &2 is not supported

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICC_CONDTAX018 - Field &1 in tax group &2 is not supported ?

  The SAP error message ICC_CONDTAX018 indicates that there is an issue with the tax configuration in the system. Specifically, it means that the field specified (Field &1) in the tax group (Tax Group &2) is not supported for the operation you are trying to perform. This error typically arises in the context of tax determination or tax calculation processes.
  Cause:
  
  Unsupported Field: The field mentioned in the error message is not valid for the specified tax group. This could be due to incorrect configuration or an attempt to use a field that is not applicable for the tax group in question.
  Configuration Issues: The tax configuration in the system may not be set up correctly, leading to the system not recognizing the field as valid for the tax group.
  Version Compatibility: If you are using a newer version of SAP or have recently upgraded, there may be changes in how tax groups and fields are handled.
  
  Solution:
  
  
  Check Tax Group Configuration: Review the configuration of the tax group in question. Ensure that the fields being used are supported and correctly configured.
  
  Navigate to the relevant configuration settings in SAP (usually found in the SPRO transaction under Financial Accounting > Tax on Sales/Purchases).
  
  
  
  Validate Field Usage: Ensure that the field specified in the error message is appropriate for the tax group. You may need to consult the documentation or SAP notes related to tax configuration for your specific version of SAP.
  
  
  Review Customizations: If there are any custom developments or enhancements related to tax processing, review them to ensure they are not causing the issue.
  
  
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  Testing: After making any changes, perform thorough testing to ensure that the tax calculation works as expected without triggering the error.
  
  
  Consult SAP Support: If the issue persists after checking the configuration and making necessary adjustments, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), SE11 (for data dictionary), and SE80 (for development).
  Documentation: Review SAP documentation related to tax configuration, especially for your specific industry or region, as tax rules can vary significantly.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.