Fatal error: Uncaught Error: Class "Smush\Core\Media\Media_Item_Optimization" not found in /home/zimmerma/public_html/wp-content/plugins/wp-smushit/core/webp/class-webp-optimization.php:16 Stack trace: #0 {main} thrown in /home/zimmerma/public_html/wp-content/plugins/wp-smushit/core/webp/class-webp-optimization.php on line 16