Fatal error: Uncaught Error: Class 'Envira\Frontend\Gallery_Markup\Base' not found in /home/legarden/www/app/plugins/envira-gallery/src/Frontend/Gallery_Markup/Layouts/Square.php:18 Stack trace: #0 {main} thrown in /home/legarden/www/app/plugins/envira-gallery/src/Frontend/Gallery_Markup/Layouts/Square.php on line 18