File "/home/bot/tsubaki/prod/lib/python3.8/site-packages/discord/ext/commands/bot.py", line 1232, in invoke
await ctx.command.invoke(ctx)
File "/home/bot/tsubaki/prod/lib/python3.8/site-packages/redbot/core/commands/commands.py", line 759, in invoke
await super().invoke(ctx)
File "/home/bot/tsubaki/prod/lib/python3.8/site-packages/discord/ext/commands/core.py", line 1543, in invoke
await super().invoke(ctx)
File "/home/bot/tsubaki/prod/lib/python3.8/site-packages/discord/ext/commands/core.py", line 931, in invoke
await injected(*ctx.args, **ctx.kwargs) # type: ignore
File "/home/bot/tsubaki/prod/lib/python3.8/site-packages/discord/ext/commands/core.py", line 196, in wrapped
raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: TypeError: cannot unpack non-iterable NoneType object