Fatal error: Uncaught Error: Call to undefined function wp() in /home/u5594730/public_html/wp-blog-header.php:16 Stack trace: #0 /home/u5594730/public_html/wp-config.php(17): require() #1 /home/u5594730/public_html/wp-load.php(37): require_once('/home/u5594730/...') #2 /home/u5594730/public_html/wp-login.php(12): require('/home/u5594730/...') #3 {main} thrown in /home/u5594730/public_html/wp-blog-header.php on line 16