Why is the Discord bot not working?

Question

Python

Recently, while starting Economic Bot, I ran into a
TypeError: 'NoneType' object is not subscriptable
Here is the code:
https://pastebin.com/XMVBrKDv
Here is the error:
https://pastebin.com/51fMvLv2
Library: discord.py

Answer 1

in sqlite, if there are no rows to select, the method fetchone()returns None