Warning: Undefined array key "id" in /var/www/html/public/image.php on line 18

Fatal error: Uncaught TypeError: Pimcore\Model\Asset::getById(): Argument #1 ($id) must be of type string|int, null given, called in /var/www/html/public/image.php on line 18 and defined in /var/www/html/vendor/pimcore/pimcore/models/Asset.php:248 Stack trace: #0 /var/www/html/public/image.php(18): Pimcore\Model\Asset::getById(NULL) #1 {main} thrown in /var/www/html/vendor/pimcore/pimcore/models/Asset.php on line 248