I upgraded my prestashop website from 1.6.0.13 to 1.6.1.23 . And it successfully upgraded. But i cant see my front end now . It always shows some error messages. But my backoffice is running smoothly. error log is given below
Fatal error: Uncaught exception 'Exception' with message 'DateTimeZone::__construct(): Unknown or bad timezone ()' in C:\xampp\htdocs\preproduction.bt.nl\modules\ph_simpleblog\models\SimpleBlogHelper.php:19 Stack trace: #0 C:\xampp\htdocs\preproduction.bt.nl\modules\ph_simpleblog\models\SimpleBlogHelper.php(19): DateTimeZone->__construct('') #1 C:\xampp\htdocs\preproduction.bt.nl\modules\ph_simpleblog\models\SimpleBlogPost.php(317): SimpleBlogHelper::now(false) #2 C:\xampp\htdocs\preproduction.bt.nl\modules\ph_simpleblog\controllers\front\list.php(59): SimpleBlogPost::getPosts(1, 5) #3 C:\xampp\htdocs\preproduction.bt.nl\classes\controller\Controller.php(189): PH_SimpleBlogListModuleFrontController->initContent() #4 C:\xampp\htdocs\preproduction.bt.nl\classes\Dispatcher.php(367): ControllerCore->run() #5 C:\xampp\htdocs\preproduction.bt.nl\index.php(28): DispatcherCore->dispatch() #6 {main} thrown in C:\xampp\htdocs\preproduction.bt.nl\modules\ph_simpleblog\models\SimpleBlogHelper.php on line 19