Fatal error: Uncaught TypeError: Unsupported operand types: string - int in C:\www\pdo\application\modules\default\controllers\KegiatanController.php:31 Stack trace: #0 \\172.16.30.152\LIBRARIES\libs\Zend\Controller\Action.php(528): KegiatanController->indexAction() #1 \\172.16.30.152\LIBRARIES\libs\Zend\Controller\Dispatcher\Standard.php(308): Zend_Controller_Action->dispatch('indexAction') #2 \\172.16.30.152\LIBRARIES\libs\Zend\Controller\Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #3 \\172.16.30.152\LIBRARIES\libs\Zend\Application\Bootstrap\Bootstrap.php(106): Zend_Controller_Front->dispatch() #4 \\172.16.30.152\LIBRARIES\libs\Zend\Application.php(400): Zend_Application_Bootstrap_Bootstrap->run() #5 C:\www\public\index.php(54): Zend_Application->run() #6 {main} thrown in C:\www\pdo\application\modules\default\controllers\KegiatanController.php on line 31