Error - Cannot connect repository to app

I already have an app in appflow and I want to reconnect my app to the repository in Bitbucket.

I followed this simple tutorial:
and connected my bitbucket to my Appflow account.

Under the Git section I can see all the repositories I have in Bitbucket, when I select the repository that I want I get the following error:

500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application. Event ID: a3e22f41fe0d4b3d9d6d435078934538.

There was an error trying to connect to your repository

When I tried to connect to other repository it worked, only this repository is problematic.

Attached the console error + the error I see: