Fatal error: Uncaught Error: Call to undefined function apply_filters() in /var/www/flexiApps/website/wp-includes/error-protection.php:139 Stack trace: #0 /var/www/flexiApps/website/wp-includes/error-protection.php(82): wp_is_fatal_error_handler_enabled() #1 /var/www/flexiApps/website/wp-settings.php(65): wp_register_fatal_error_handler() #2 /var/www/flexiApps/website/wp-config.php(105): require_once('...') #3 /var/www/flexiApps/website/wp-load.php(50): require_once('...') #4 /var/www/flexiApps/website/wp-blog-header.php(13): require_once('...') #5 /var/www/flexiApps/website/index.php(20): require('...') #6 {main} thrown in /var/www/flexiApps/website/wp-includes/error-protection.php on line 139