To push issues from Bugsee to Bitbucket you must have properly configured issue trackers in all target repositories. Follow the steps below to validate your configuration.
Navigate to your Bitbucket account and open the repository you want to check.
Open repository settings section:
Select "Issue tracker" section in settings navigation pane:
Ensure that option "Issue tracker" is set to anything other than "No issue tracker":
Bugsee uses OAuth to authenticate with Bitbucket. Once you start the wizard you will be automatically redirected to Bitbucket to grant Bugsee permissions: