How To Fix TXS_MESSAGES021 - Cannot map numeric fields from tax service API response

SAP Error Message - Details

• Message type: E = Error

• Message class: TXS_MESSAGES - Tax Service Messages class

• Message number: 021

• Message text: Cannot map numeric fields from tax service API response

What causes this issue?

The system received non-numeric values from numeric fields of the
response from the tax service API.
You can verify the <LS>Tax Service Logs</> in the <LS>Operation Trace
</>application with the <LS>External ID </>&V1& for more information on
this error.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TXS_MESSAGES021 - Cannot map numeric fields from tax service API response ?

  The SAP error message TXS_MESSAGES021 indicates that there is an issue with mapping numeric fields from the tax service API response. This typically occurs when the data returned from the tax service does not match the expected format or type that SAP is trying to process. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Data Type Mismatch: The numeric fields returned by the tax service may not be in the expected format (e.g., string instead of numeric).
  API Response Changes: If the tax service API has been updated or changed, the response structure may differ from what SAP expects.
  Configuration Issues: Incorrect configuration settings in the SAP system related to the tax service integration.
  Invalid Data: The data being sent to the tax service may contain invalid or unexpected values that lead to an improper response.
  
  Solutions:
  
  Check API Documentation: Review the API documentation for the tax service to ensure that the response format and data types are as expected.
  Validate API Response: Use tools like Postman or cURL to manually call the tax service API and inspect the response. Ensure that the numeric fields are being returned correctly.
  Update SAP Configuration: If there have been changes to the tax service API, update the configuration in SAP to align with the new response structure.
  Error Handling: Implement error handling in your integration logic to manage unexpected responses gracefully.
  Data Validation: Ensure that the data being sent to the tax service is valid and conforms to the expected formats.
  Contact Support: If the issue persists, consider reaching out to SAP support or the tax service provider for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on integrating with the tax service.
  Integration Logs: Review integration logs in SAP to gather more details about the error and the context in which it occurred.
  Testing Environment: If possible, replicate the issue in a testing environment to troubleshoot without affecting production data.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.