I created the bot using aiogram 3.4.1 and it worked well. I left the project for two months and returned to it recently. When calling any menu, the bot gives an error: aiogram.exceptions.TelegramBadRequest: Telegram server says - Bad Request: can't parse entities: Unsupported start tag "" at byte offset Next are lines about dispatcher errors: Traceback (most recent call last): File "/Users/.../lib/python3.10/site-packages/aiogram/dispatcher/dispatcher.py", line 309, in _process_update response = await self.feed_update(bot, update, **kwargs) File "/Users/.../lib/python3.10/site-packages/aiogram/dispatcher/dispatcher.py", line 158, in feed_update response = await self.update.wrap_outer_middleware( File "/Users/.../lib/python3.10/site-packages/aiogram/dispatcher/middlewares/error.py", line 25, in __call__ return await handler(event, data) ... and more I have tried other versions of aiogram. I changed the quotes in the menu item definitions to single ones. Nothing helped. Search didn't help me too. Please help me to understand what the problem is it, because the bot worked well before, and I don’t want to completely rewrite it. Continue reading...