How To Fix FKKINV090 - Tax code and tax determination code not permitted

FKKINV090 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 090

• Message text: Tax code and tax determination code not permitted

trados = fi

What causes this issue?

In the billing document items, the <DS:DE.ERMWSKZ>tax determination code
</> (value: &v1&) and the <DS:DE.MWSKZ>tax on sales and purchases code
</> (value &v2&) may only contain entries if the
following conditions are fulfilled:
In the document header, the <DS:DE.TAX_DET_TYPE_KK>type of tax
determination</> has the value <LS>01 Internal tax determination</>.
The billing document item is <DS:DE.POSTREL_KK>relevant for posting</>
or has a <DS:DE.PRINT_SUBSTITUTE_KK>substitute group for invoice
printing</>.

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

These prerequisites are not fulfilled.

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKINV090 - Details

• The SAP error message FKKINV090 indicates that there is an issue with the tax code and tax determination code in the context of an invoice or billing document in the SAP system. This error typically arises in the context of the Contract Accounts Receivable and Payable (FI-CA) module.
  
  Cause:
  The error can occur due to several reasons, including:
  
  Invalid Tax Code: The tax code used in the invoice is not valid for the transaction or is not maintained in the system.
  Tax Determination Code Issues: The tax determination code may not be set up correctly or is not compatible with the tax code being used.
  
  Configuration Issues: There may be configuration issues in the tax settings, such as missing entries in the tax configuration tables.
  Document Type Restrictions: Certain document types may have restrictions on the tax codes that can be used.
  Country-Specific Regulations: The tax code may not be applicable for the country or region associated