How To Fix WS102 - Tax amount entered differs from that calculated by system by & &

WS102 - Overview

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 102

• Message text: Tax amount entered differs from that calculated by system by & &

What causes this issue?

The system found a discrepancy between the tax amount entered and the
tax amount calculated by the system.

System Response

Tax calculation is not possible.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

WS102 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WS102 - Tax amount entered differs from that calculated by system by & &
  
  
  Cause:
  This error occurs when the tax amount manually entered in a document (such as an invoice or billing document) does not match the tax amount calculated automatically by the SAP system based on the tax codes, rates, and base amounts.
  Common reasons include:
  
  Manual override of tax amounts that do not align with the system's tax calculation logic.
  Differences due to rounding issues or currency conversion.
  Incorrect tax code or tax rate assigned.
  Inconsistent tax base amount or incorrect tax calculation procedure.
  Customizing or configuration issues in tax calculation settings.
  Differences in tax jurisdiction or tax condition records.
  
  
  Explanation:
  SAP calculates tax amounts based on the tax codes assigned to line items, the tax rates defined in the system, and the base amounts (net values). If a user tries to enter a tax amount that