Fatal error: Uncaught Error: Class "PHPStan\PhpDocParser\Ast\AbstractNodeVisitor" not found in /home/demohost/hospital.demohost.in/vendor/phpstan/phpdoc-parser/src/Ast/NodeVisitor/CloningVisitor.php:9 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/vendor/phpstan/phpdoc-parser/src/Ast/NodeVisitor/CloningVisitor.php on line 9