Fatal error: Uncaught Error: Call to undefined function get_option() in /home/k1818436/public_html/wp-content/plugins/pdf-viewer-for-wordpress/web/viewer.php:11 Stack trace: #0 /home/k1818436/public_html/wp-content/plugins/pdf-viewer-for-wordpress/tnc-pdf-viewer.php(6): require_once() #1 {main} thrown in /home/k1818436/public_html/wp-content/plugins/pdf-viewer-for-wordpress/web/viewer.php on line 11