Fatal error: Uncaught Error: Interface "Http\Message\Formatter" not found in /home/customer/www/londonfencingclub.co.uk/public_html/vendor/php-http/message/src/Formatter/FullHttpMessageFormatter.php:15 Stack trace: #0 {main} thrown in /home/customer/www/londonfencingclub.co.uk/public_html/vendor/php-http/message/src/Formatter/FullHttpMessageFormatter.php on line 15