Server Error in '/' Application.

Inheritance security rules violated by type: 'MyWebPagesStarterKit.Controls.TemplatedContentDesigner'. Derived types must either match the security accessibility of the base type or be less accessible.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.TypeLoadException: Inheritance security rules violated by type: 'MyWebPagesStarterKit.Controls.TemplatedContentDesigner'. Derived types must either match the security accessibility of the base type or be less accessible.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[TypeLoadException: Inheritance security rules violated by type: 'MyWebPagesStarterKit.Controls.TemplatedContentDesigner'. Derived types must either match the security accessibility of the base type or be less accessible.]
   System.Reflection.RuntimeAssembly.GetExportedTypes(RuntimeAssembly assembly, ObjectHandleOnStack retTypes) +0
   System.Reflection.RuntimeAssembly.GetExportedTypes() +22
   System.Web.Compilation.BuildResultMainCodeAssembly.FindAppInitializeMethod() +32
   System.Web.Compilation.CodeDirectoryCompiler.GetCodeDirectoryAssembly(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories, Boolean isDirectoryAllowed) +9969909
   System.Web.Compilation.BuildManager.CompileCodeDirectory(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories) +131
   System.Web.Compilation.BuildManager.CompileCodeDirectories() +398
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +256

[HttpException (0x80004005): Inheritance security rules violated by type: 'MyWebPagesStarterKit.Controls.TemplatedContentDesigner'. Derived types must either match the security accessibility of the base type or be less accessible.]
   System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +65
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +458
   System.Web.Compilation.BuildManager.CallAppInitializeMethod() +35
   System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +605

[HttpException (0x80004005): Inheritance security rules violated by type: 'MyWebPagesStarterKit.Controls.TemplatedContentDesigner'. Derived types must either match the security accessibility of the base type or be less accessible.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +10090424
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +99
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +263


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0