For some reason I am getting an error message when I try to add my module to the page. The event viewer is giving me this error message. I'm new to DNN so this error message doesn't tell me much.

ModuleId: 438
ModuleDefId: 114
FriendlyName: GuestBook
ModuleControlSource: DesktopModules/GuestBookVB/ViewGuestBookVB.ascx
AssemblyVersion: 5.4.2
PortalID: 1
PortalName: HHK
UserID: 1
UserName: aharonkoss
ActiveTabID: 67
ActiveTabName: HHK Registeration
RawURL: /dotnetnuke/HHKRegisteration.aspx
AbsoluteURL: /dotnetnuke/Default.aspx
AbsoluteURLReferrer: http://localhost/dotnetnuke/HHKRegisteration.aspx
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MDDR; MS-RTC LM 8; .NET4.0C; .NET4.0E; OfficeLiveConnector.1.5; OfficeLivePatch.1.3)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 7b27b7b9-e408-4361-a99a-ebafb940df78
InnerException: Could not load type 'WroxModules.GuestbookVB.ViewGuestbookVB'.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Web.UI.TemplateParser.GetType
StackTrace:
Message: DotNetNuke.Services.Exceptions.ModuleLoadException : Could not load type 'WroxModules.GuestbookVB.ViewGuestbookVB'. ---> System.Web.HttpParseException: Could not load type 'WroxModules.GuestbookVB.ViewGuestbookVB'. ---> System.Web.HttpParseException: Could not load type 'WroxModules.GuestbookVB.ViewGuestbookVB'. ---> System.Web.HttpException: Could not load type 'WroxModules.GuestbookVB.ViewGuestbookVB'. at System.Web.UI.TemplateParser.GetType(String typeName, Boolean ignoreCase, Boolean throwOnError) at System.Web.UI.TemplateParser.ProcessInheritsAttrib ute(String baseTypeName, String codeFileBaseTypeName, String src, Assembly assembly) at System.Web.UI.TemplateParser.PostProcessMainDirect iveAttributes(IDictionary parseData) --- End of inner exception stack trace --- at System.Web.UI.TemplateParser.ProcessException(Exce ption ex) at System.Web.UI.TemplateParser.ParseStringInternal(S tring text, Encoding fileEncoding) at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding) --- End of inner exception stack trace --- at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding) at System.Web.UI.TemplateParser.ParseFile(String physicalPath, VirtualPath virtualPath) at System.Web.UI.TemplateParser.Parse() at System.Web.Compilation.BaseTemplateBuildProvider.g et_CodeCompilerType() at System.Web.Compilation.BuildProvider.GetCompilerTy peFromBuildProvider(BuildProvider buildProvider) at System.Web.Compilation.BuildProvidersCompiler.Proc essBuildProviders() at System.Web.Compilation.BuildProvidersCompiler.Perf ormBuild() at System.Web.Compilation.BuildManager.CompileWebFile (VirtualPath virtualPath) at System.Web.Compilation.BuildManager.GetVPathBuildR esultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate) at System.Web.Compilation.BuildManager.GetVPathBuildR esultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate) at System.Web.Compilation.BuildManager.GetVPathBuildR esult(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean ensureIsUpToDate) at System.Web.UI.TemplateControl.LoadControl(VirtualP ath virtualPath) at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc) in C:\CCNet_Builds\DotNetNuke_5_Maintenance\WorkingDi rectory\Library\UI\ControlUtilities.vb:line 61 at DotNetNuke.UI.Modules.ModuleHost.LoadModuleControl () in C:\CCNet_Builds\DotNetNuke_5_Maintenance\WorkingDi rectory\Library\UI\Modules\ModuleHost.vb:line 229 --- End of inner exception stack trace ---
Source:

Thanks for your help.