Traceback (most recent call last):
  File "/usr/local/lib/python3.6/dist-packages/discord/client.py", line 312, in _run_event
    await coro(*args, **kwargs)
  File "main.py", line 37, in on_command_error
    raise error
  File "/usr/local/lib/python3.6/dist-packages/discord/ext/commands/bot.py", line 903, in invoke
    await ctx.command.invoke(ctx)
  File "/usr/local/lib/python3.6/dist-packages/discord/ext/commands/core.py", line 855, in invoke
    await injected(*ctx.args, **ctx.kwargs)
  File "/usr/local/lib/python3.6/dist-packages/discord/ext/commands/core.py", line 94, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: HTTPException: 400 Bad Request (error code: 10014): Unknown Emoji