Fatal error: Uncaught Error: Interface "PHPStan\PhpDocParser\Ast\NodeVisitor" not found in /home/demohost/hospital.demohost.in/vendor/phpstan/phpdoc-parser/src/Ast/AbstractNodeVisitor.php:11 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/vendor/phpstan/phpdoc-parser/src/Ast/AbstractNodeVisitor.php on line 11