Fatal error: Class 'PHPParser_Node_Scalar' not found in /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/Node/Scalar/String.php on line 7

Call Stack:
    0.0005     247496   1. {main}() /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/Node/Scalar/String.php:0