Fatal error: Uncaught Error: Interface 'PhpParser\Parser' not found in /home/demohatinco/public_html/hat_learning_management/vendor/nikic/php-parser/lib/PhpParser/Parser/Multiple.php:9 Stack trace: #0 {main} thrown in /home/demohatinco/public_html/hat_learning_management/vendor/nikic/php-parser/lib/PhpParser/Parser/Multiple.php on line 9