Fatal error: Uncaught Error: Call to a member function add_cap() on null in /home1/pvargadv/public_html/wp-content/plugins/booked/booked.php:959 Stack trace: #0 /home1/pvargadv/public_html/wp-settings.php(462): include_once() #1 /home1/pvargadv/public_html/wp-config.php(95): require_once('/home1/pvargadv...') #2 /home1/pvargadv/public_html/wp-load.php(50): require_once('/home1/pvargadv...') #3 /home1/pvargadv/public_html/wp-blog-header.php(13): require_once('/home1/pvargadv...') #4 /home1/pvargadv/public_html/index.php(17): require('/home1/pvargadv...') #5 {main} thrown in /home1/pvargadv/public_html/wp-content/plugins/booked/booked.php on line 959