SmartPart Webpart Preview ERROR

Aug 31, 2007 at 2:10 PM
Successfully installed ReturnofSmartPart and uploaded SmartPartv3.dwp to a MOSS2007 site. Within WebpartView of Smartpart, I click on open toolpane and receive the following error;


Line: 2891
char: 2
Error 'document.forms....MSOWebPartPage_PostBackSource' is null or not an object