Fatal error: Uncaught Error: Call to undefined function getallheaders() in /httpdocs/wp-includes/default-constants.php:1 Stack trace: #0 /httpdocs/wp-settings.php(20): require() #1 /httpdocs/wp-config.php(89): require_once('/httpdocs/wp-se...') #2 /httpdocs/wp-load.php(37): require_once('/httpdocs/wp-co...') #3 /httpdocs/xmlrpc.php(29): include('/httpdocs/wp-lo...') #4 {main} thrown in /httpdocs/wp-includes/default-constants.php on line 1