( ! ) Fatal error: Uncaught Error: Call to a member function getDatetimePosted() on null in /var/www/ojsPolbeng/plugins/generic/announcementFeed/AnnouncementFeedGatewayPlugin.php on line 148
( ! ) Error: Call to a member function getDatetimePosted() on null in /var/www/ojsPolbeng/plugins/generic/announcementFeed/AnnouncementFeedGatewayPlugin.php on line 148
Call Stack
#TimeMemoryFunctionLocation
10.0001424280{main}( ).../index.php:0
20.01441664208PKP\core\PKPApplication->execute( ).../index.php:21
30.01461758032PKP\core\Dispatcher->dispatch( $request = class APP\core\Request { public $_router = class APP\core\PageRouter { public $_installationPages = [...]; public $_page = 'gateway'; public $_op = 'plugin'; public $_cacheFilename = NULL; protected APP\core\Application $_application = class APP\core\Application { ... }; protected PKP\core\Dispatcher $_dispatcher = class PKP\core\Dispatcher { ... }; protected ?string $_contextPath = 'IJ'; public ?PKP\context\Context $_context = class APP\journal\Journal { ... }; public ?PKP\handler\PKPHandler $_handler = class APP\pages\gateway\GatewayHandler { ... }; public $_indexUrl = NULL }; public $_dispatcher = class PKP\core\Dispatcher { public $_application = class APP\core\Application { ... }; public $_routerNames = [...]; public $_routerInstances = [...]; public $_router = class APP\core\PageRouter { ... }; public $_requestCallbackHack = NULL }; public $_requestVars = []; public $_basePath = ''; public $_requestPath = NULL; public $_isRestfulUrlsEnabled = FALSE; public $_serverHost = 'jurnal.polbeng.ac.id'; public $_protocol = 'https'; public $_isBot = NULL; public $_userAgent = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' } ).../PKPApplication.php:388
40.06173371280PKP\core\PKPPageRouter->route( $request = class APP\core\Request { public $_router = class APP\core\PageRouter { public $_installationPages = [...]; public $_page = 'gateway'; public $_op = 'plugin'; public $_cacheFilename = NULL; protected APP\core\Application $_application = class APP\core\Application { ... }; protected PKP\core\Dispatcher $_dispatcher = class PKP\core\Dispatcher { ... }; protected ?string $_contextPath = 'IJ'; public ?PKP\context\Context $_context = class APP\journal\Journal { ... }; public ?PKP\handler\PKPHandler $_handler = class APP\pages\gateway\GatewayHandler { ... }; public $_indexUrl = NULL }; public $_dispatcher = class PKP\core\Dispatcher { public $_application = class APP\core\Application { ... }; public $_routerNames = [...]; public $_routerInstances = [...]; public $_router = class APP\core\PageRouter { ... }; public $_requestCallbackHack = NULL }; public $_requestVars = []; public $_basePath = ''; public $_requestPath = NULL; public $_isRestfulUrlsEnabled = FALSE; public $_serverHost = 'jurnal.polbeng.ac.id'; public $_protocol = 'https'; public $_isBot = NULL; public $_userAgent = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' } ).../Dispatcher.php:165
50.08613402896PKP\core\PKPRouter->_authorizeInitializeAndCallRequest( $serviceEndpoint = [0 => class APP\pages\gateway\GatewayHandler { public $plugin = class APP\plugins\generic\announcementFeed\AnnouncementFeedGatewayPlugin { ... }; protected $_apiToken = NULL; public $_id = 'gateway'; public $_dispatcher = class PKP\core\Dispatcher { ... }; public $_checks = [...]; public $_roleAssignments = [...]; public $_authorizationDecisionManager = class PKP\security\authorization\AuthorizationDecisionManager { ... }; public $_enforceRestrictedSite = TRUE; public $_roleAssignmentsChecked = FALSE; public $_isBackendPage = FALSE }, 1 => 'plugin'], $request = class APP\core\Request { public $_router = class APP\core\PageRouter { public $_installationPages = [...]; public $_page = 'gateway'; public $_op = 'plugin'; public $_cacheFilename = NULL; protected APP\core\Application $_application = class APP\core\Application { ... }; protected PKP\core\Dispatcher $_dispatcher = class PKP\core\Dispatcher { ... }; protected ?string $_contextPath = 'IJ'; public ?PKP\context\Context $_context = class APP\journal\Journal { ... }; public ?PKP\handler\PKPHandler $_handler = class APP\pages\gateway\GatewayHandler { ... }; public $_indexUrl = NULL }; public $_dispatcher = class PKP\core\Dispatcher { public $_application = class APP\core\Application { ... }; public $_routerNames = [...]; public $_routerInstances = [...]; public $_router = class APP\core\PageRouter { ... }; public $_requestCallbackHack = NULL }; public $_requestVars = []; public $_basePath = ''; public $_requestPath = NULL; public $_isRestfulUrlsEnabled = FALSE; public $_serverHost = 'jurnal.polbeng.ac.id'; public $_protocol = 'https'; public $_isBot = NULL; public $_userAgent = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' }, $args = [0 => 'AnnouncementFeedGatewayPlugin', 1 => 'atom'], $validate = FALSE ).../PKPPageRouter.php:277
60.08653411160call_user_func:{/var/www/ojsPolbeng/lib/pkp/classes/core/PKPRouter.php:334}( $callback = [0 => class APP\pages\gateway\GatewayHandler { public $plugin = class APP\plugins\generic\announcementFeed\AnnouncementFeedGatewayPlugin { ... }; protected $_apiToken = NULL; public $_id = 'gateway'; public $_dispatcher = class PKP\core\Dispatcher { ... }; public $_checks = [...]; public $_roleAssignments = [...]; public $_authorizationDecisionManager = class PKP\security\authorization\AuthorizationDecisionManager { ... }; public $_enforceRestrictedSite = TRUE; public $_roleAssignmentsChecked = FALSE; public $_isBackendPage = FALSE }, 1 => 'plugin'], $args = [0 => 'AnnouncementFeedGatewayPlugin', 1 => 'atom'], class APP\core\Request { public $_router = class APP\core\PageRouter { public $_installationPages = [...]; public $_page = 'gateway'; public $_op = 'plugin'; public $_cacheFilename = NULL; protected APP\core\Application $_application = class APP\core\Application { ... }; protected PKP\core\Dispatcher $_dispatcher = class PKP\core\Dispatcher { ... }; protected ?string $_contextPath = 'IJ'; public ?PKP\context\Context $_context = class APP\journal\Journal { ... }; public ?PKP\handler\PKPHandler $_handler = class APP\pages\gateway\GatewayHandler { ... }; public $_indexUrl = NULL }; public $_dispatcher = class PKP\core\Dispatcher { public $_application = class APP\core\Application { ... }; public $_routerNames = [...]; public $_routerInstances = [...]; public $_router = class APP\core\PageRouter { ... }; public $_requestCallbackHack = NULL }; public $_requestVars = []; public $_basePath = ''; public $_requestPath = NULL; public $_isRestfulUrlsEnabled = FALSE; public $_serverHost = 'jurnal.polbeng.ac.id'; public $_protocol = 'https'; public $_isBot = NULL; public $_userAgent = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' } ).../PKPRouter.php:334
70.08653411488APP\pages\gateway\GatewayHandler->plugin( $args = [0 => 'AnnouncementFeedGatewayPlugin', 1 => 'atom'], $request = class APP\core\Request { public $_router = class APP\core\PageRouter { public $_installationPages = [...]; public $_page = 'gateway'; public $_op = 'plugin'; public $_cacheFilename = NULL; protected APP\core\Application $_application = class APP\core\Application { ... }; protected PKP\core\Dispatcher $_dispatcher = class PKP\core\Dispatcher { ... }; protected ?string $_contextPath = 'IJ'; public ?PKP\context\Context $_context = class APP\journal\Journal { ... }; public ?PKP\handler\PKPHandler $_handler = class APP\pages\gateway\GatewayHandler { ... }; public $_indexUrl = NULL }; public $_dispatcher = class PKP\core\Dispatcher { public $_application = class APP\core\Application { ... }; public $_routerNames = [...]; public $_routerInstances = [...]; public $_router = class APP\core\PageRouter { ... }; public $_requestCallbackHack = NULL }; public $_requestVars = []; public $_basePath = ''; public $_requestPath = NULL; public $_isRestfulUrlsEnabled = FALSE; public $_serverHost = 'jurnal.polbeng.ac.id'; public $_protocol = 'https'; public $_isBot = NULL; public $_userAgent = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' } ).../PKPRouter.php:334
80.08653411864APP\plugins\generic\announcementFeed\AnnouncementFeedGatewayPlugin->fetch( $args = [0 => 'atom'], $request = class APP\core\Request { public $_router = class APP\core\PageRouter { public $_installationPages = [...]; public $_page = 'gateway'; public $_op = 'plugin'; public $_cacheFilename = NULL; protected APP\core\Application $_application = class APP\core\Application { ... }; protected PKP\core\Dispatcher $_dispatcher = class PKP\core\Dispatcher { ... }; protected ?string $_contextPath = 'IJ'; public ?PKP\context\Context $_context = class APP\journal\Journal { ... }; public ?PKP\handler\PKPHandler $_handler = class APP\pages\gateway\GatewayHandler { ... }; public $_indexUrl = NULL }; public $_dispatcher = class PKP\core\Dispatcher { public $_application = class APP\core\Application { ... }; public $_routerNames = [...]; public $_routerInstances = [...]; public $_router = class APP\core\PageRouter { ... }; public $_requestCallbackHack = NULL }; public $_requestVars = []; public $_basePath = ''; public $_requestPath = NULL; public $_isRestfulUrlsEnabled = FALSE; public $_serverHost = 'jurnal.polbeng.ac.id'; public $_protocol = 'https'; public $_isBot = NULL; public $_userAgent = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' } ).../GatewayHandler.php:215