Hi Thomas, if you're using Bitbucket Server, you can ask your admin to clear your captcha as explained at How to configure captcha in Bitbucket Server.
If you're still getting this error, please send us a screenshot and answer the following:
Supported Platforms macOS Windows We recently introduced support for additional hosting services such as GitHub Enterprise, GitLab (Cloud, Community Edition, Enterprise Edition), and...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs