exception 'Zend_Auth_Adapter_Exception' with message 'A value for the identity was not provided prior to authentication with MP_Auth_Adapter_DbTable.' in D:\mp_source\php\application\modules\default\models\MP_Auth\MP_Auth_Adapter_DbTable.php:160
Stack trace:
#0 C:\php\includes\ZendFramework-1.6.1\library\Zend\Auth.php(117): MP_Auth_Adapter_DbTable->authenticate()
#1 D:\mp_source\php\application\modules\default\controllers\UploadController.php(105): Zend_Auth->authenticate(Object(MP_Auth_Adapter_DbTable))
#2 D:\mp_source\php\application\modules\default\controllers\UploadController.php(84): UploadController->check_authentication_mobile(NULL, NULL)
#3 C:\php\includes\ZendFramework-1.6.1\library\Zend\Controller\Action.php(129): UploadController->init()
#4 C:\php\includes\ZendFramework-1.6.1\library\Zend\Controller\Dispatcher\Standard.php(269): Zend_Controller_Action->__construct(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http), Array)
#5 C:\php\includes\ZendFramework-1.6.1\library\Zend\Controller\Front.php(946): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#6 D:\mp_source\php\html\bootstrap.php(42): Zend_Controller_Front->dispatch()
#7 D:\mp_source\php\html\index.php(5): bootstrap()
#8 {main}