We're going to learn how to give a permission to Green-bot.
Before starting, not that you can re-invite the bot to your server with the admin permissions to fix it ( You don't need to kick the bot ). https://discord.com/oauth2/authorize?client_id=783708073390112830&scope=bot&permissions=19456 If you don't want to do that, it doesn't matter.
Click on the edit button behind your voice channel
Then, click on permissions
Click on the "+" and add Green-bot
Scroll down and check "Speak" & "Connect"
Your problem may be fixed!
Not fixed? Join our support server and ask a moderator to do that for you!