When you try to load the mod_finder module in SP Page Builder using the Joomla Module addon, it does not load, after pressing the Apply button it generates a 500 error in the console.
XHRPOSThttp://localhost/index.php?option=com_sppagebuilder&view=ajax&format=json&callback=addon
[HTTP/1.1 500 Internal Server Error 101ms]
Tested in 3.8.4, 3.8.5 versions and Joomla 4.1. Please fix soon.