How to fix Error: listen EADDRINUSE?

Hello friends, I decided to put bot for cs go.
When the node rz_bot bot login but if you enable the bot using pm2 start rz_bot.js and then enter the command node rz_bot it out
root@casedrope:/bot# node rz_bot.js
events.js:85
 throw er; // Unhandled 'error' event
^
Error: listen EADDRINUSE
 at exports._errnoException (util.js:746:11)
 at Server._listen2 (net.js:1158:14)
 at listen (net.js:1184:10)
 at Server.listen (net.js:1269:5)
 at Server.listen.Server.attach (/bot/node_modules/socket.io/lib/index.js:216:9)
 at new Server (/bot/node_modules/socket.io/lib/index.js:50:17)
 at Function.Server (/bot/node_modules/socket.io/lib/index.js:38:41)
 at Object.<anonymous> (/bot/rz_bot.js:45:31)
 at Module._compile (module.js:460:26)
 at Object.Module._extensions..js (module.js:478:10)
root@casedrope:/bot#</anonymous>
July 9th 19 at 10:05
1 answer
July 9th 19 at 10:07
if you include bot using pm2 start rz_bot.js and then

nothing more no need to run.
pm2 has launched your bot.

already decide who will run your script, pm2, or you hands "node lol4to.js".

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