!cleanup bug Devolution Beta

Ignoring exception in command cleanup after:
Traceback (most recent call last):
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 79, in wrapped
    ret = await coro(*args, **kwargs)
  File "C:\Discord bot\Devolution\cogs\moderation.py", line 229, in after
    after = await channel.fetch_message(id)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\abc.py", line 888, in fetch_message
    data = await self._state.http.get_message(channel.id, id)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\http.py", line 220, in request
    raise NotFound(r, data)
discord.errors.NotFound: 404 NOT FOUND (error code: 10008): Unknown Message

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

Traceback (most recent call last):
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\bot.py", line 863, in invoke
    await ctx.command.invoke(ctx)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 1157, in invoke
    await ctx.invoked_subcommand.invoke(ctx)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 1162, in invoke
    await super().invoke(ctx)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 727, in invoke
    await injected(*ctx.args, **ctx.kwargs)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 88, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: NotFound: 404 NOT FOUND (error code: 10008): Unknown Message
Ignoring exception in command cleanup:
Traceback (most recent call last):
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 79, in wrapped
    ret = await coro(*args, **kwargs)
  File "C:\Discord bot\Devolution\cogs\moderation.py", line 217, in cleanup
    await ctx.message.delete()
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\message.py", line 697, in delete
    await self._state.http.delete_message(self.channel.id, self.id)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\http.py", line 220, in request
    raise NotFound(r, data)
discord.errors.NotFound: 404 NOT FOUND (error code: 10008): Unknown Message

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

Traceback (most recent call last):
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\bot.py", line 863, in invoke
    await ctx.command.invoke(ctx)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 1162, in invoke
    await super().invoke(ctx)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 727, in invoke
    await injected(*ctx.args, **ctx.kwargs)
  File "C:\Users\cyg_server\AppData\Local\Programs\Python\Python37-32\lib\site-packages\discord\ext\commands\core.py", line 88, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: NotFound: 404 NOT FOUND (error code: 10008): Unknown Message