give error. How to make an economy bot in discord?

Question

Python

import discord
from discord.ext import commands
from discord.ext.commands import Bot
import asyncio
import datetime
import random
import json
Bot = commands.Bot(command_prefix="$")
queue = []

@Bot.command()
async def timely(ctx):
    with open('economy.json','r') as f:
        money = json.load(f)
    if not str(ctx.author.id) in money:
        money[str(ctx.author.id)] = {}
        money[str(ctx.author.id)]['Money'] = 0

    if not str(ctx.author.id) in queue:
        emb = discord.Embed(description=f'**{ctx.author}** Вы получили свои 1250 монет')
        await ctx.send(embed= emb)
        money[str(ctx.author.id)]['Money'] += 1250
        queue.append(str(ctx.author.id))
        with open('economy.json','w') as f:
            json.dump(money,f)
        await asyncio.sleep(12*60)
        queue.remove(str(ctx.author.id))
    if str(ctx.author.id) in queue:
        emb = discord.Embed(description=f'**{ctx.author}** Вы уже получили свою награду')
        await ctx.send(embed= emb)
@Bot.command()
async def balance(ctx,member:discord.Member = None):
    if member == ctx.author or member == None:
        with open('economy.json','r') as f:
            money = json.load(f)
        emb = discord.Embed(description=f'У **{ctx.author}** {money[str(ctx.author.id)]["Money"]} монет')
        await ctx.send(embed= emb)
    else:
        with open('economy.json','r') as f:
            money = json.load(f)
        emb = discord.Embed(description=f'У **{member}** {money[str(member.id)]["Money"]} монет')
        await ctx.send(embed= emb)
@Bot.command()
async def addshop(ctx,role:discord.Role,cost:int):
    with open('economy.json','r') as f:
        money = json.load(f)
    if str(role.id) in money['shop']:
        await ctx.send("Эта роль уже есть в магазине")
    if not str(role.id) in money['shop']:
        money['shop'][str(role.id)] ={}
        money['shop'][str(role.id)]['Cost'] = cost
        await ctx.send('Роль добавлена в магазин')
    with open('economy.json','w') as f:
        json.dump(money,f)
@Bot.command()
async def shop(ctx):
    with open('economy.json','r') as f:
        money = json.load(f)
    emb = discord.Embed(title="Магазин")
    for role in money['shop']:
        emb.add_field(name=f'Цена: {money["shop"][role]["Cost"]}',value=f'<@&{role}>',inline=False)
    await ctx.send(embed=emb)
@Bot.command()
async def removeshop(ctx,role:discord.Role):
    with open('economy.json','r') as f:
        money = json.load(f)
    if not str(role.id) in money['shop']:
        await ctx.send("Этой роли нет в магазине")
    if str(role.id) in money['shop']:
        await ctx.send('Роль удалена из магазина')
        del money['shop'][str(role.id)]
    with open('economy.json','w') as f:
        json.dump(money,f)
@Bot.command()
async def buy(ctx,role:discord.Role):
    with open('economy.json','r') as f:
        money = json.load(f)
    if str(role.id) in money['shop']:
        if money['shop'][str(role.id)]['Cost'] <= money[str(ctx.author.id)]['Money']:
            if not role in ctx.author.roles:
                await ctx.send('Вы купили роль!')
                for i in money['shop']:
                    if i == str(role.id):
                        buy = discord.utils.get(ctx.guild.roles,id = int(i))
                        await ctx.author.add_roles(buy)
                        money[str(ctx.author.id)]['Money'] -= money['shop'][str(role.id)]['Cost']
            else:
                await ctx.send('У вас уже есть эта роль!')
    with open('economy.json','w') as f:
        json.dump(money,f)

@Bot.command()
async def give(ctx,member:discord.Member,arg:int):
    with open('economy.json','r') as f:
        money = json.load(f)
    if money[str(ctx.author.id)]['Money'] >= arg:
        emb = discord.Embed(description=f'**{ctx.author}** подарил **{member}** **{arg}** монет')
        money[str(ctx.author.id)]['Money'] -= arg
        money[str(member.id)]['Money'] += arg
        await ctx.send(embed = emb)
    else:
        await ctx.send('У вас недостаточно денег')
    with open('economy.json','w') as f:
        json.dump(money,f)
Bot.run('токен')

Mistake:

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

Traceback (most recent call last):
  File "C:\Users\volva\AppData\Local\Programs\Python\Python39\lib\site-packages\discord\ext\commands\bot.py", line 939, in invoke
    await ctx.command.invoke(ctx)
  File "C:\Users\volva\AppData\Local\Programs\Python\Python39\lib\site-packages\discord\ext\commands\core.py", line 863, in invoke
    await injected(*ctx.args, **ctx.kwargs)
  File "C:\Users\volva\AppData\Local\Programs\Python\Python39\lib\site-packages\discord\ext\commands\core.py", line 94, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: KeyError: '482928210338643968'