I am new to DNN.  I am using 4.8.4, Startkit.  I created a test module and attempted to add it to a page I created.  I am getting the following module load exception error message.  Can anyone help?

ModuleId: 374
ModuleDefId: 99
FriendlyName: OscarModule
ModuleControlSource: DesktopModules/OscarModule/OscarModule.ascx
AssemblyVersion: 04.08.04
PortalID: 0
PortalName: My Website
UserID: 1
UserName: host
ActiveTabID: 54
ActiveTabName: OscarModule
RawURL: /dotnetnuke/Default.aspx?TabId=54
AbsoluteURL: /dotnetnuke/Default.aspx
AbsoluteURLReferrer: http://localhost/dotnetnuke/Default.aspx?TabId=54
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; InfoPath.2; .NET CLR 3.5.21022)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 71eeb9be-faca-4888-8e21-4df7c4878594
InnerException: Unable to cast object of type 'ASP.desktopmodules_oscarmodule_oscarmodule_ascx' to type 'DotNetNuke.Entities.Modules.PortalModuleBase'.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: DotNetNuke.UI.Skins.Skin.InjectModule
StackTrace:
Message: DotNetNuke.Services.Exceptions.ModuleLoadException: Unable to cast object of type 'ASP.desktopmodules_oscarmodule_oscarmodule_ascx' to type 'DotNetNuke.Entities.Modules.PortalModuleBase'. ---> System.InvalidCastException: Unable to cast object of type 'ASP.desktopmodules_oscarmodule_oscarmodule_ascx' to type 'DotNetNuke.Entities.Modules.PortalModuleBase'. at DotNetNuke.UI.Skins.Skin.InjectModule(Control objPane, ModuleInfo objModule, PortalSettings PortalSettings) --- End of inner exception stack trace ---
Source:
Server Name: BAUTISTA-LAPTOP