Fatal error: Uncaught BadMethodCallException: Call to undefined method PKP\announcement\Announcement::getId() in /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php:67 Stack trace: #0 /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php(36): Illuminate\Database\Eloquent\Model::throwBadMethodCallException() #1 /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(2372): Illuminate\Database\Eloquent\Model->forwardCallTo() #2 /var/www/ojs/cache/t_compile/bf53ecbaf5cfd0dbc20c0d60fe3c97ddac5f9a0c^940e52f31d2f469df7aa1cf641b18f25e2302700_0.app.frontendpagesannouncements.tpl.php(679): Illuminate\Database\Eloquent\Model->__call() #3 /var/www/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_69e2823280c216_77845702() #4 /var/www/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode() #5 /var/www/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render() #6 /var/www/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render() #7 /var/www/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute() #8 /var/www/ojs/lib/pkp/classes/template/PKPTemplateManager.php(1515): Smarty_Internal_TemplateBase->display() #9 /var/www/ojs/lib/pkp/pages/announcement/AnnouncementHandler.php(58): PKP\template\PKPTemplateManager->display() #10 [internal function]: PKP\pages\announcement\AnnouncementHandler->index() #11 /var/www/ojs/lib/pkp/classes/core/PKPRouter.php(327): call_user_func() #12 /var/www/ojs/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #13 /var/www/ojs/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #14 /var/www/ojs/lib/pkp/classes/core/PKPApplication.php(429): PKP\core\Dispatcher->dispatch() #15 /var/www/ojs/index.php(16): PKP\core\PKPApplication->execute() #16 {main} thrown in /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php on line 67