LiveReload protocol error (invalid command 'hello', only valid commands are: reload, alert)) after receiving data:

[sl-AsA]

Actually LiveRelaod save my day as i don't wanna refresh every time i make changes and wanna see it, it automaticaly do livereload for me.

when i working with Chrome all fine , but when it is come to Firefox this error repeat on console |

LiveReload protocol error (invalid command 'hello', only valid commands are: reload, alert)) after receiving data: "{"command":"hello","protocols":["http://livereload.com/protocols/official-7"],"serverName":"atom-livereload"}".. ( livereload.js:351:32 )

Please can help me to resolve this problem