Fatal error: Uncaught Error: Call to a member function isConnected() on null in /www/application/models/Revistas.php:436 Stack trace: #0 /www/application/models/Revistas.php(235): Default_Model_Revistas->_getActiveRow() #1 /www/application/controllers/RevistasController.php(74): Default_Model_Revistas->getNumeros('todos') #2 /www/library/Zend/Controller/Action.php(513): RevistasController->verAction() #3 /www/library/Zend/Controller/Dispatcher/Standard.php(295): Zend_Controller_Action->dispatch('verAction') #4 /www/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #5 /www/library/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch() #6 /www/application/Bootstrap.php(114): Zend_Application_Bootstrap_Bootstrap->run() #7 /www/library/Zend/Application.php(366): Bootstrap->run() #8 /www/public/index.php(44): Zend_Application->run() #9 {main} thrown in /www/application/models/Revistas.php on line 436