Reports

Your function cmd_start just cannot be handled because when your bot started polling, the cmd_start wasn't declared. You should place the cmd_start before you run the main function. You should have the code like this at least:

import logging
import asyncio
from aiogram.types import Message, FSInputFile
from aiogram.filters import CommandStart
from aiogram import Bot, Dispatcher


bot = Bot(token="79127??????????????????fXTNyc")
dp = Dispatcher()


logo_photo = FSInputFile('212649.png')

# the function is declared before entering the main working loop
@dp.message(CommandStart())
async def cmd_start(message: Message):
    await message.answer_photo(photo=logo_photo, caption='текст')

async def main():
    await dp.start_polling(bot)

# all handlers are declared and now you can run the bot
if __name__ == '__main__':
    logging.basicConfig(level=logging.INFO)
    asyncio.run(main())

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