Witholding tax code requires you to enter a witholding tax type

What causes this issue?

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

System Response

How to fix this error?

If you have entered a withholding tax code (field WI_TAX_CODE), then
you must also enter a withholding tax type (field WI_TAX_TYPE).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.