Fatal error: Uncaught Error: Class "PhpParser\PrettyPrinterAbstract" not found in /home/demohost/hospital.demohost.in/vendor/nikic/php-parser/lib/PhpParser/PrettyPrinter/Standard.php:16 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/vendor/nikic/php-parser/lib/PhpParser/PrettyPrinter/Standard.php on line 16