gem load error

[pavan93]

Gem Load Error is: Could not find a JavaScript runtime. See https://github.com/rails/execjs for a list of available runtimes.
Backtrace for gem load error is:
C:/Users/pavankumar/.gems/gems/execjs-2.7.0/lib/execjs/runtimes.rb:58:in autodetect' C:/Users/pavankumar/.gems/gems/execjs-2.7.0/lib/execjs.rb:5:in module:ExecJS'
C:/Users/pavankumar/.gems/gems/execjs-2.7.0/lib/execjs.rb:4:in `<top (required)>'

[M5oul]

I have same error.
You have to install a JavaScript runtime like Node.js.