Fatal error: Uncaught Error: Class 'WP_Image_Editor' not found in /home/okok/public_html/andzejkulak/wp-includes/class-wp-image-editor-gd.php:16 Stack trace: #0 {main} thrown in /home/okok/public_html/andzejkulak/wp-includes/class-wp-image-editor-gd.php on line 16