Hi,
 
Just updraged from 2.75 to 3.x. Everything appeared to work fine but I'm getting the following error. Any idea how to resolve?
 
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DotNetNuke.Services.Exceptions.ModuleLoadException: D:\Inetpub\wwwroot\marinersclub.net\DesktopModules\Dynamic Forms\ViewFormResults.ascx(68): error BC30560: 'UpdatePanel' is ambiguous in the namespace 'System.Web.UI'. ---> System.Web.HttpCompileException: D:\Inetpub\wwwroot\marinersclub.net\DesktopModules\Dynamic Forms\ViewFormResults.ascx(68): error BC30560: 'UpdatePanel' is ambiguous in the namespace 'System.Web.UI'. at System.Web.Compilation.AssemblyBuilder.Compile() at System.Web.Compilation.BuildProvidersCompiler.PerformBuild() at System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVPathBuildResult(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.UI.TemplateControl.LoadControl(VirtualPath virtualPath) at System.Web.UI.TemplateControl.LoadControl(String virtualPath) at DotNetNuke.UI.ControlUtilites.LoadControl[T](TemplateControl containerControl, String ControlSrc) at DotNetNuke.UI.Modules.ModuleHost.LoadModuleControl() --- End of inner exception stack trace ---
 
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