[Bug Report] Bot gives unknown error when trying to include youtube video with age restrictions

[6vz]

Bug Description

When you try to turn on a video with age restrictions on Youtube, the bot will give you an error IN THE TERMINAL, however the user sees that the bot has started playing music

Steps to Reproduce

1. Play Youtube video with age restrictions (eg. https://www.youtube.com/watch?v=1WiAo4-zMnA)
2. Look into terminal
3. Enjoy See the error

Expected Result

I expected the bot to write that there was an error, or in a better scenario, that it would play music

Debug Output

System Properties:
  java.version = 16.0.2
  java.vm.name = Java HotSpot(TM) 64-Bit Server VM
  java.vm.specification.version = 16
  java.runtime.name = Java(TM) SE Runtime Environment
  java.runtime.version = 16.0.2+7-67
  java.specification.version = 16
  os.arch = amd64
  os.name = Linux

JMusicBot Information:
  Version = 0.3.6
  Owner = 338075554937044994
  Prefix = h.
  AltPrefix = null
  MaxSeconds = 0
  NPImages = false
  SongInStatus = false
  StayInChannel = true
  UseEval = false
  UpdateAlerts = true

Dependency Information:
  JDA Version = 4.3.0_324
  JDA-Utilities Version = 3.0.5
  Lavaplayer Version = 1.3.78

Runtime Information:
  Total Memory = 71
  Used Memory = 35

Discord Information:
  ID = 907398434594652220
  Guilds = 1
  Users = 2

Additional Info

Here you can find the log file
http://haste.6vz.pw/gokemoviho.less

Checklist

• I have looked for information about this within the documentation
• I have searched for similar issues on the issues page
• I am running the latest version of the bot: