Fatal error: Call to a member function query() on a non-object

<?php
	include($_SERVER['DOCUMENT_ROOT']."/panel/includes/bdd.php");
	
	$query=$bdd->query("SELECT instant_messages.message_membre, users.pseudo FROM instant_messages JOIN users ON users.id = instant_messages.id_membre ORDER BY temps ASC");
	while($message=$query->fetch())
	{
		echo "<a href=''>".$message['pseudo']."</a>";
		echo "<p>".$message['message_membre']."</p>";
	}
	/*$messages=$query->fetchall();
	
	foreach($messages as $message)
	{
		echo "<a href=''>".$message['pseudo']."</a>";
		echo "<p>".$message['message_membre']."</p>";
	}*/

/*
SELECT users.pseudo, instant_messages.message_membre FROM instant_messages 
	JOIN users ON users.id = instant_messages.id_membre ORDER BY temps ASC
	
/*	
	"
	SELECT instant_messages.id_membre, instant_messages.message_membre, 
	users.id, users.pseudo FROM instant_messages 
	JOIN users ON users.id=instant_messages.id_membre ORDER BY temps DESC"*/
	$query->CloseCursor();?>