Fatal error: Uncaught ValueError: curl_setopt(): Argument #2 ($option) is not a valid cURL option in /kiwii/common/htdocs/www/ajax/file_download.php:25 Stack trace: #0 /kiwii/common/htdocs/www/ajax/file_download.php(25): curl_setopt(Object(CurlHandle), 1048594, NULL) #1 {main} thrown in /kiwii/common/htdocs/www/ajax/file_download.php on line 25