Warning: Unsupported declare 'strict_types' in /var/www/html/push-notification-service-v2/vendor/nikic/php-parser/lib/PhpParser/Builder/Declaration.php on line 1

Fatal error: Interface 'PhpParser\Builder' not found in /var/www/html/push-notification-service-v2/vendor/nikic/php-parser/lib/PhpParser/Builder/Declaration.php on line 9