You can see the solution on the following URL:
http://mysoftskill.blogspot.com/2009/11/biztalk-wse-web-services-publishing.html
Posted by: Vijay Modi | July 12, 2008
Biztalk WSE Web Services Publishing Wizard Unable to load the assembly "…..\BTSTest.dll" [System.IO.FileNotFoundException] File or assembly name Microsoft.XMLANGs.BaseTypes, or one of its dependencies, was not found.
Posted in .Net 3.5, BizTalk Server
