Fatal error: Interface 'PHPParser_Unserializer' not found in /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/Unserializer/XML.php on line 4

Call Stack:
    0.0014     266872   1. {main}() /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/Unserializer/XML.php:0