If it is an issue affecting numerous people, we most likely already know about it and are working on a fix. Please report all issues in chat for now.
Most of the time, it's a caching issue. To fix most issues with openBP, Please clear all cookies and cache from your web browser then restart your browser.
You may also want to click the "Reset All To Default" button located in the upper left popout menu on the homepage of openBP.