10001423 
Message
Select 'WTax Codes Allowed' with BP's Assessee Type
Diagnosis
You have upgraded your base with TDS upgrade tool, and in SAP Business One Main Menu, choose 
Business Partner Master Data 
Accounting Tax 
, the assessee types of the WTax
Codes Allowed area are not consistent with business partner's assessee types.
Procedure
In the Business Partner window, Accounting tab, Tax sub-tab, choose the WTax Codes Allowed button.
Reselect business partner's assessee types and choose the Update button.