Fatal error: Class 'PHPParser_NodeVisitorAbstract' not found in /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/NodeVisitor/NameResolver.php on line 4

Call Stack:
    0.0005     265656   1. {main}() /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/NodeVisitor/NameResolver.php:0