Set up Telegram integration using the discourse-chat-integration plugin

Hello David Taylor! I have a problem with “chat integration telegram enabled”. When I click enable and disable the bot, everything works. But when I insert the bot and turn on the checkbox, it turns off.

https://drive.google.com/file/d/1Jv6p-bADSqeFfUyDHse2iEwbCVzzYr3B/view?usp=sharing - my record video of this case here. What should I do? Thank you