Session / Classe erro

[marcellorg 0]

PHP Version 4.3.1Galera esta dando o seguinte erro abaixo qdo tento inserir algo na classe.. me ajudem por favorFatal error: Unknown(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition dt of the object you are trying to operate on was loaded _before_ the session was started in E:\Sites\panamericana\coe_aulas.php on line 31Obs: Linha 31 = $_SESSION[DataAulas]->Adicionar(4);class Dt{var $Data = array();function Adicionar($Data){$this->Data[] = $Data;}function Contar() {return count($this->Data);}}if (!session_is_registered("DataAulas")){session_register("DataAulas");$DataAulas = new Dt();}$ss = "ad";if($ss=="ad"){$_SESSION[DataAulas]->Adicionar(4);}echo $_SESSION[DataAulas]->QuantosItens();

[conseld 0]

ah tenta assimif (!session_is_registered("DataAulas")){session_register("DataAulas");$DataAulas = new Dt();}$ss = "ad";if($ss=="ad"){$_SESSION['DataAulas']->Adicionar(4);}echo $_SESSION['DataAulas']->QuantosItens(); olha lá??? <_<

[marcellorg 0]

não tem jeito continua dando erro