Unhandled exception. System.TypeInitializationException

I am using ubuntu, and I download the tunll-1.0.0-preview-1-unstable-linux-x64.tgz

When I run the program, it show following error message.

:~/tull$ sudo ./tunll -h
Unhandled exception. System.TypeInitializationException: The type initializer for 'sTu8NvfEsXsVPVlNGW3H.NikAiGfEGr2biCVX7qfd' threw an exception. ---> System.IO.FileNotFoundException: Could not load file or assembly 'System.Security.Cryptography.Csp, Version=7.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f
11d50a3a'. The system cannot find the file specified.

File name: 'System.Security.Cryptography.Csp, Version=7.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
--- End of inner exception stack trace ---
at sTu8NvfEsXsVPVlNGW3H.NikAiGfEGr2biCVX7qfd.KYdfxSUdMNe(Int32 )
at IR3vZTnA0QkuT0EC9uE.hnAEOlnaA0Ua4nxoYdh.RnNn1TfG8k(String[] )
at IR3vZTnA0QkuT0EC9uE.hnAEOlnaA0Ua4nxoYdh.<Main>(String[] )