This is somewhat embarrassing, isn’t it?
Fatal error: Uncaught Error: Undefined constant "php" in /customers/6/3/5/dgenergie.be/httpd.www/wp-content/themes/traffica/404.php:26 Stack trace: #0 /customers/6/3/5/dgenergie.be/httpd.www/wp-includes/template-loader.php(106): include() #1 /customers/6/3/5/dgenergie.be/httpd.www/wp-blog-header.php(19): require_once('/customers/6/3/...') #2 /customers/6/3/5/dgenergie.be/httpd.www/index.php(17): require('/customers/6/3/...') #3 {main} thrown in /customers/6/3/5/dgenergie.be/httpd.www/wp-content/themes/traffica/404.php on line 26