@Jumelless 

I guess you are using Community Edtion.

Try the following:

1.-Verify if you able to get Ok in websocket protocol browsing to 

https://websocketstest.com/

2.-Check log file  C:\ProgramData\AutomationAnywhere\BotRunner\Logs\Node_Manager.log

An identify Error or Fatal  messages.  If apply, please post some messages here.

3.-Perform the AADiagnostic Utility to identify the issue.  Test the available options:

https://docs.automationanywhere.com/bundle/enterprise-v2019/page/enterprise-cloud/topics/bot-agent/bot-agent-diagnostic-utility.html

Let us know your feedback.

Regards