Got a problem with my uploading function

Got a problem with my uploading function

Hi,

i made a function to upload resume on zoho recruit candidates modules with the uploadFile Api Method : https://recruit.zoho.com/recruit/private/xml/Candidates/uploadFile

It returns me : "401Invalid Attachment Type" 

Can anybody helps me ?

here is the function ->

function upload_resume_zoho_recruit() {
        global $wpdb$current_user;
        
        $user_email = $current_user->user_email;
        $key = get_option('zoho_recruit');
        $token = $key['authtoken'];
        $api_url = $key['api_url'];
        $len = count($_FILES);
        $header =['ENCTYPE: multipart/form-data','Content-Type:multipart/form-data;boundary='.(string)$current_time_long];// array('Content-Type: multipart/form-data');
        
        $url = $api_url."/recruit/private/xml/Candidates/uploadFile";
        
        $result = $wpdb->get_row("SELECT * FROM `candidates` WHERE `email` LIKE '".$user_email."'");
        $id = $result->candidate_id;
        
        if ($id != 0) {
            
            $cFile = new CURLFile($_FILES['cvfile']['tmp_name'],$_FILES['cvfile']['type'],$_FILES['cvfile']['name']);
            
            $param = array (
                'authtoken' => $token,
                'scope'     => 'recruitapi',
                'content'   => $cFile,
                'id'        => $id,
                'type'      => 'CVR-aw'
            );
            
            $ch=curl_init();
            curl_setopt($ch,CURLOPT_HEADER,0);
            curl_setopt($ch,CURLOPT_VERBOSE,0);
            curl_setopt($resource, CURLOPT_HTTPHEADER, $header);
            curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
            curl_setopt($ch,CURLOPT_URL,$url);
            curl_setopt($ch,CURLOPT_POST,true);
            curl_setopt($ch,CURLOPT_POSTFIELDS,$param);
            $response=curl_exec($ch);
            
            //send email of API response
            $to = $key['email_log'];
            send_email($to'Zoho Recruit API Logs - uploadFile',$len.' '.$api_url.' '.json_encode($response),$user_email);
        }
        
        return json_decode($response);
     }


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