public function getLastStageStagiaire()
	{
		$con = Propel::getConnection();
		$query = 'SELECT * FROM '.StageStagiairePeer::TABLE_NAME.
				 ' WHERE '.StageStagiairePeer::FICHEBIOGRAPHIQUE_ID.
				 ' = '.$this->getId().
				 ' AND '.StageStagiairePeer::DATEDEBUT.
				 ' IN (SELECT MAX( '.StageStagiairePeer::DATEDEBUT. ' ) FROM '
				 .StageStagiairePeer::TABLE_NAME.')';

		$stmt = $con->createStatement();
		$rs = $stmt->executeQuery($query, ResultSet::FETCHMODE_NUM);
		$stage = StageStagiairePeer::populateObjects($rs);

		if($stage) {
			echo $stage->getEcole();
			return $stage;
		}
		return null; 
	}


I get this error Fatal error: Call to a member function getEcole() on a non-objec