How To Fix FWTM377 - Table &1, w/tax type &2 in country &3 inconsistent (==> long text)

FWTM377 - Overview

• Message type: E = Error

• Message class: FWTM - Messages: Withholding Tax Changeover

• Message number: 377

• Message text: Table &1, w/tax type &2 in country &3 inconsistent (==> long text)

What causes this issue?

One or more of the withholding tax codes that you use in classic
withholding tax is reflected by withholding tax type &V2& in country
&V3& after the withholding tax changeover. The settings that determine
whether the withholding tax calculated is posted or not do not agree
for this classic withholding tax code and withholding tax type &V2&.

System Response

Documents entered in the system would be treated differently before and
after the changeover to extended withholding tax.

How to fix this error?

Check the following system settings and correct them if necessary:
Define withholding tax types: Indicator "Post withholding tax amount"
Assignment of withholding tax types/codes (second step in conversion
run)

Error message extract from SAP system. Copyright SAP SE.

FWTM377 - Details

• The SAP error message FWTM377 indicates that there is an inconsistency in the tax configuration for a specific table, tax type, and country. This error typically arises in the context of tax determination and configuration in the SAP system, particularly when dealing with tax calculation for financial transactions.
  
  Cause:
  The inconsistency can be caused by several factors, including:
  
  Missing Configuration: The tax type or country may not be properly configured in the relevant tax tables.
  Incorrect Tax Type Assignment: The tax type assigned to a transaction may not match the configuration in the tax tables.
  Data Entry Errors: There may be errors in the data entered for tax types or country codes.
  Changes in Tax Regulations: Updates or changes in tax regulations may not have been reflected in the system configuration.
  Inconsistent Data: There may be inconsistencies between different tax tables or between the tax tables and the master data.
  
  
  Solution:
  To resolve the FWTM377 error, you can follow