Fatal error: Uncaught Error: Class 'PhpParser\Node\ComplexType' not found in /var/www/typo3/vendor/nikic/php-parser/lib/PhpParser/Node/UnionType.php:5
Stack trace:
#0 {main}
thrown in /var/www/typo3/vendor/nikic/php-parser/lib/PhpParser/Node/UnionType.php on line 5