All previously entered withholding tax data will be lost

What causes this issue?

You changed the company code. As a result, the system activated the
extended withholding tax functionality for which separate data is
managed.

System Response

The data you entered for withholding tax is deleted.

How to fix this error?

Enter the withholding tax data in the header screen, if this has been
defined for the predefined category and you want to override automatic
calculation of the base or amounts.

Error message extract from SAP system. Copyright SAP SE.