Diagnosis
You are deactivating extended withholding tax. Note that for any givencompany code, you can use either "standard" or extended withholdingtax. However, you can only change from "standard" to extendedwithholding tax and not vice versa. Changing to extended withholdingtax involves converting datasets.
Deactivating extended withholding tax leads to large inconsistencies inthe datasets.

Procedure
Ensure that you really do want to deactivate extended withholding tax.Consult an SAP consultant before coming to a final decision.