The page favicon is broken

Issue Summary

The browser page favicon is broken:

If you check the HTML of the page you can find this link element:

but the file resource doesn't exists:
https://bitbucket.org/build-favicon-default.5ced79d9.ico/

Steps to Reproduce

check above

Expected Results

There should be some icon.

Actual Results

Browser icon is missing.

Workaround

1. Bookmark a different page such as your profile home page, as this one will have the Bitbucket Favicon
2. Use a browser extension/plugin that allows you to customize the icons of the websites in your bookmark bar.