Why did my telegram bot stop processing incoming messages?

Question

C++ / C#

Created a bot, did not deploy it, worked on my computer.
Worked without problems within + - a month.
It suddenly stopped working, that is, there are messages in getupdates, but it does not process them, the code has not changed, I created a new similar bot, it works without problems.

Answer 1

Because... Roskompozor