This guide explains how to grant access for bitrise.io to your Bitbucket team.
Go to your Bitbucket Team’s page. The simplest way to do so is simply enter
https://bitbucket.org/<team_idin the address bar of your browser.
On the left, select Settings.
Find and click OAuth.
Check if you denied access to Bitrise.
If yes, click Remove. This will remove the denial.