KeyError: 293396418834464768, почему так происходит?

Question

[AdvoKappa]

@bot.event
async def on_message(message):
    await bot.process_commands(message)
    if message.author == bot.user:
        return

    with open('users.json', 'r') as f:
        users = json.load(f)

        async def update_data(users, user):
            if not str(user.id) in users:
                users[str(user.id)] = {}
                users[str(user.id)]['experience'] = 0
                users[str(user.id)]['level'] = 1

        await update_data(users, message.author)
        await add_experience(users, message.author, 5)
        await level_up(users, message.author, message.channel)

    with open('users.json','w') as f:
        json.dump(users, f)

async def add_experience(users, user, exp):
    users[str(user.id)]['experience'] += exp

async def level_up(users, user, channel):
    experience = users[str(user.id)]['experience']
    lvl_start = users[str(user.id)]['level']
    lvl_end = int(experience * (1/10))

    if lvl_start < lvl_end:
        await channel.send(":thumbsup: {}, вы повысились до {} уровня! :thumbsup: ".format(user.mention, lvl_end))
        users[user.id]["level"] = lvl_end

Ошибка такова:

Ignoring exception in on_message
Traceback (most recent call last):
  File "C:\Users\stas\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\client.py", line 312, in _run_event
    await coro(*args, **kwargs)
  File "level_system.py", line 44, in on_message
    await level_up(users, message.author, message.channel)
  File "level_system.py", line 59, in level_up
    users[user.id]["level"] = lvl_end
KeyError: 347340011580162058

Answer 1

[galaxy]

users[str(user.id)]["level"] = lvl_end

Answer 2

[soremix]

Нет такого ключа.