4835Unable to parse XML data

4835Unable to parse XML data

need solution mam .



$xml = '<?xml version="1.0" encoding="UTF-8"?><Leads><row no="1">';
foreach ($zoho_field_data as $key => $value) {
$xml .= " <FL val= " .$key. ">" .$value. " </FL>";
}

$xml .= '</row></Leads>';


$url ="https://crm.zoho.com/crm/private/xml/".$zoho_object."/insertRecords";
$query="authtoken=".$zoho_org_id."&scope=crmapi&newFormat=1&xmlData=".$xml;


$ch = curl_init();
/* set url to send post request */
curl_setopt($ch, CURLOPT_URL, $url);
/* allow redirects */
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
/* return a response into a variable */
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
/* times out after 30s */
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
/* set POST method */
curl_setopt($ch, CURLOPT_POST, 1);
/* add POST fields parameters */
curl_setopt($ch, CURLOPT_POSTFIELDS, $query);// Set the request as a POST FIELD for curl.


$response = curl_exec($ch);


curl_close($ch);


print_r($response);exit;

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its showing error '' 4835Unable to parse XML data''
please solve this