Fatal error: Uncaught Error: Call to undefined function Gallery_Block_Lightbox\add_action() in /home/scenic6/public_html/wp-content/plugins/gallery-block-lightbox/gallery-block-lightbox.php:66 Stack trace: #0 {main} thrown in /home/scenic6/public_html/wp-content/plugins/gallery-block-lightbox/gallery-block-lightbox.php on line 66