Fatal error: Uncaught TypeError: Argument 2 passed to OmgfPro_Frontend_Optimize::process_material_icons() must be an instance of OMGF_Frontend_Process, instance of OMGF\Frontend\Process given, called in /www/htdocs/w017c51b/bau-suedniedersachsenstiftung.de/wp-content/plugins/host-google-fonts-pro/includes/frontend/class-optimize.php on line 129 and defined in /www/htdocs/w017c51b/bau-suedniedersachsenstiftung.de/wp-content/plugins/host-google-fonts-pro/includes/frontend/class-optimize.php:1389 Stack trace: #0 /www/htdocs/w017c51b/bau-suedniedersachsenstiftung.de/wp-content/plugins/host-google-fonts-pro/includes/frontend/class-optimize.php(129): OmgfPro_Frontend_Optimize->process_material_icons('<!DOCTYPE html>...', Object(OMGF\Frontend\Process)) #1 /www/htdocs/w017c51b/bau-suedniedersachsenstiftung.de/wp-includes/class-wp-hook.php(307): OmgfPro_Frontend_Optimize->process('<!DOCTYPE html>...', Object(OMGF\Frontend\Process)) #2 /www/htdocs/w017c51b/bau-suedniedersachsenstiftung.de/wp-includes/plugin.php(191): WP_Hook->apply in /www/htdocs/w017c51b/bau-suedniedersachsenstiftung.de/wp-content/plugins/host-google-fonts-pro/includes/frontend/class-optimize.php on line 1389