When i edit my web model from my windows application using the modeldifference i get a cast exception

http://www.expandframework.com/forum/6-bugs/3686-modeldifference-editor-problem/5151.html
missing reference
Exception when FileAttachment and runtime model members

http://www.expandframework.com/forum/6-bugs/3688-calculatedproperty-adding-exception-in-13-1-8-0-version/5157.html
[Web shortcuts updated as per Q537493]
added XpandFileAttacments in FC
Update modeladaptorpath configuration setting

http://www.expandframework.com/forum/5-installation-configuration-a-updates/3680-modeladaptor-folder-location/5164.html
13.1.8.8