Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Authentication\Token\AbstractToken" not found in /home/ywbshareacopy/public_html/vendor/acquia/http-hmac-php/src/Symfony/HmacToken.php:12 Stack trace: #0 {main} thrown in /home/ywbshareacopy/public_html/vendor/acquia/http-hmac-php/src/Symfony/HmacToken.php on line 12