Fatal error: Uncaught Error: Class 'PhpParser\Node\ComplexType' not found in /home/www/cookbook/vendor/nikic/php-parser/lib/PhpParser/Node/UnionType.php:5 Stack trace: #0 {main} thrown in /home/www/cookbook/vendor/nikic/php-parser/lib/PhpParser/Node/UnionType.php on line 5