playing issue

[RakibRyan]

[youtube] VJI86nC4muM: Downloading webpage
Ignoring exception in command yt:
Traceback (most recent call last):
File "D:\code\python\simple music bot\venv\lib\site-packages\discord\ext\commands\core.py", line 85, in wrapped
ret = await coro(*args, **kwargs)
File "D:\code\python\simple music bot\DiscordJockey\musicbot\commands\music.py", line 27, in _play_youtube
await audiocontroller.add_youtube(track)
File "D:\code\python\simple music bot\DiscordJockey\musicbot\audiocontroller.py", line 92, in add_youtube
await self.add_song(link)
File "D:\code\python\simple music bot\DiscordJockey\musicbot\audiocontroller.py", line 116, in add_song
await self.play_youtube(link)
File "D:\code\python\simple music bot\DiscordJockey\musicbot\audiocontroller.py", line 164, in play_youtube
self.voice_client.play(discord.FFmpegPCMAudio(extracted_info['url']), after=lambda e: self.next_song(e))
AttributeError: 'NoneType' object has no attribute 'play'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "D:\code\python\simple music bot\venv\lib\site-packages\discord\ext\commands\bot.py", line 939, in invoke
await ctx.command.invoke(ctx)
File "D:\code\python\simple music bot\venv\lib\site-packages\discord\ext\commands\core.py", line 863, in invoke
await injected(*ctx.args, **ctx.kwargs)
File "D:\code\python\simple music bot\venv\lib\site-packages\discord\ext\commands\core.py", line 94, in wrapped
raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: AttributeError: 'NoneType' object has no attribute 'play'