Still error with mono 2.8.1
The following exception has been thrown for the file(s) listed above:
System.Web.Compilation.CompilationException: CS0584: Internal compiler error: An element with the same key already exists in the dictionary.
at System.Web.Compilation.AssemblyBuilder.BuildAssembly (System.Web.VirtualPath virtualPath, System.CodeDom.Compiler.CompilerParameters options) [0x00292] in /private/tmp/monobuild/build/BUILD/mono-2.8.1/mcs/class/System.Web/System.Web.Compilation/AssemblyBuilder.cs:829
at System.Web.Compilation.AssemblyBuilder.BuildAssembly (System.Web.VirtualPath virtualPath) [0x00000] in /private/tmp/monobuild/build/BUILD/mono-2.8.1/mcs/class/System.Web/System.Web.Compilation/AssemblyBuilder.cs:731
at System.Web.Compilation.BuildManager.GenerateAssembly (System.Web.Compilation.AssemblyBuilder abuilder, System.Web.Compilation.BuildProviderGroup group, System.Web.VirtualPath vp, Boolean debug) [0x0025d] in /private/tmp/monobuild/build/BUILD/mono-2.8.1/mcs/class/System.Web/System.Web.Compilation/BuildManager.cs:814
at System.Web.Compilation.BuildManager.BuildInner (System.Web.VirtualPath vp, Boolean debug) [0x0011c] in /private/tmp/monobuild/build/BUILD/mono-2.8.1/mcs/class/System.Web/System.Web.Compilation/BuildManager.cs:465
******* DEBUG MODE MESSAGE *******