Joomla Errors - Parameter must be an arror or an object AND Undefined Variable 06-09-2020

Maybe all these errors are connected. When I turn on Joomla Error reporting, I get the following Errors on EVERY page.

Warning: count(): Parameter must be an array or an object that implements Countable in /web/components/com_simgallery/tables/users.php on line 128

Warning: count(): Parameter must be an array or an object that implements Countable in /web/components/com_simgallery/tables/users.php

Notice: Undefined variable: option in /web/plugins/system/simgallery_system/simgallery_system.php on line 246

Could this be causing the problems? This happens on Joomla 3.9 and PHP 7.2 or 7.3