Fatal error: Uncaught Error: Call to undefined function _deprecated_file() in /www/wp-includes/class-smtp.php:6 Stack trace: #0 /www/wp-config.php(86): require_once() #1 /www/wp-load.php(37): require_once('/www/wp-config....') #2 /www/wp-blog-header.php(13): require_once('/www/wp-load.ph...') #3 /www/index.php(17): require('/www/wp-blog-he...') #4 {main} thrown in /www/wp-includes/class-smtp.php on line 6