Warning: Unsupported declare 'strict_types' in /var/www/html/push-notification-service-v2/vendor/ramsey/collection/src/Map/AssociativeArrayMap.php on line 13

Fatal error: Class 'Ramsey\Collection\Map\AbstractMap' not found in /var/www/html/push-notification-service-v2/vendor/ramsey/collection/src/Map/AssociativeArrayMap.php on line 21