How To Fix M8493 - Tax amount entered wrongly: see long text

M8493 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 493

• Message text: Tax amount entered wrongly: see long text

What causes this issue?

For tax code &V1& there is a tax difference. The tax code refers to a
non-deductible tax.
This can be due to one of two reasons:
You entered an invoice to which only invoice items are assigned: The
supplier was manually reduced (supplier error) and a non-deductible tax
was involved (tax code &V2&). Due to the tax difference with tax code
&V1&, the invoice cannot be deemed as being correct, even if the
difference is below the acceptance limit.
You entered an invoice or credit memo to which invoice items and credit
memo items are assigned:
The invoice was manually reduced (supplier error) for tax code &V2&. Due
to the tax difference with tax code &V1& the invoice cannot be deemed as
being correct, even if the difference is below the acceptance limit.

System Response

How to fix this error?

The following action is recommended:
Correct the tax amounts that were wrongly entered
Reject the whole invoice, if the error was not simply a typing error but
a supplier error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8493 - Tax amount entered wrongly: see long text ?

  The SAP error message M8493, which states "Tax amount entered wrongly: see long text," typically occurs during the processing of a transaction that involves tax calculations, such as when creating or posting an invoice or a goods movement. This error indicates that the tax amount entered does not match the expected tax amount based on the tax calculation rules defined in the system.
  Causes:
  
  Incorrect Tax Amount: The tax amount entered manually may not align with the calculated tax based on the item price and applicable tax rates.
  Tax 
  Configuration Issues: There may be issues with the tax configuration in the system, such as incorrect tax codes or rates.
  Currency Mismatch: If the transaction involves multiple currencies, discrepancies in currency conversion rates may lead to incorrect tax calculations.
  Master Data Issues: The master data for the materials or customers involved may not be set up correctly, leading to incorrect tax determination.
  Tax Jurisdiction: The tax jurisdiction