Why are files falling out of Bitbucket?

Question

git

Good day to all!

Can you please tell me why I lose the connection between the project and the repository?
It looks like this:

How it happens and why is not clear :((
And how to return this connection is also not clear(( I

use the extension for the studio (2019) Visual Studio Bitbucket Extension version 1.41.2

I will be glad to hear your advice!
Thank you!