[Ruby]Someone know OCRA and use it?

Question

I'm trying OCRA but i receive an error: "codice:

C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/ocra-1.3.10/bin/ocra:291:in `initialize':Invalid argument @ rb_sysopen - C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/ocra-1.3.10/bin/../share/ocra/stub.exe (Errno::EINVAL)
        from C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/ocra-1.3.10/bin/ocra:291:in `open'
        from C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/ocra-1.3.10/bin/ocra:291:in `find_stubs'
  Can someone help me?

Answer 1

I found solution by myself. It was a folder permission problem