HTTP Error 400. The request is badly formed

HTTP Error 400. The request is badly formed

I am getting the same error for this, please suggest
$url="http://domain.com/manage/File Name.xml";
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url); // get the url contents
$data = curl_exec($ch); // execute curl request
curl_close($ch);
echo $data;