If you are using a Joomla Bible Study or Proclaim! version's prior 9.1.2 you need to upgrade immediately.
We know users of Proclaim! want to upgrade to Joomla 4 - so do we! The development path is quite steep to go from Joomla 3.x to 4. Our development team is working every day to get the component up to the latest standards. Be patient and stay tuned here when we are ready to launch Proclaim! 10.0.