Fatal error: Uncaught Error: Call to undefined function add_action() in /home/staging/public_html/wp/dr-sastre/wp-includes/functions.php:8492 Stack trace: #0 /home/staging/public_html/wp/dr-sastre/wp-load.php(67): require_once() #1 /home/staging/public_html/wp/dr-sastre/wp-admin/install.php(36): require_once('/home/staging/p...') #2 {main} thrown in /home/staging/public_html/wp/dr-sastre/wp-includes/functions.php on line 8492