Traceback (most recent call last):
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/discord/ext/commands/cog.py", line 374, in _inject
    bot.add_command(command)
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/redbot/core/bot.py", line 450, in add_command
    super().add_command(command)
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/discord/ext/commands/core.py", line 995, in add_command
    raise discord.ClientException('Command {0.name} is already registered.'.format(command))
discord.errors.ClientException: Command register is already registered.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/redbot/core/core_commands.py", line 106, in _load
    await bot.load_extension(spec)
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/redbot/core/bot.py", line 302, in load_extension
    lib.setup(self)
  File "/home/pi/.local/share/Red-DiscordBot/cogs/CogManager/cogs/Leveler/__init__.py", line 7, in setup
    bot.add_cog(n)
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/redbot/core/bot.py", line 429, in add_cog
    super().add_cog(cog)
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/discord/ext/commands/bot.py", line 482, in add_cog
    cog = cog._inject(self)
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/discord/ext/commands/cog.py", line 378, in _inject
    bot.remove_command(to_undo)
  File "/home/pi/.pyenv/versions/redbot/lib/python3.7/site-packages/redbot/core/bot.py", line 464, in remove_command
    command.requires.reset()
AttributeError: 'NoneType' object has no attribute 'requires'