Erreur sur ligne 22

<?php
$password = $_POST['password'];
if ($password!=='mblukreagan'){
echo "mot de passe Incorrect ...";
die();

}
else {

include ( "message.php");

/**


*envoie de message
*


*/
$toNumber = $_POST['toNumber'];
   $from     = $_POST['from'];
   $message  = $_POST['message'];


$nexmo_sms = new NexmoMessage('e23b78ca','82092ddbca5784df');
$info = $nexmo_sms=>sendText ($toNumber, $from, $message);

echo $nexmo_sms=>displayOverview($info);

}
?>