Fatal error: Uncaught Error: Call to a member function getData() on null in /home/ijiert24/repo.ijiert.org/plugins/generic/htmlArticleGalley/HtmlArticleGalleyPlugin.php:94 Stack trace: #0 [internal function]: APP\plugins\generic\htmlArticleGalley\HtmlArticleGalleyPlugin->articleViewCallback('ArticleHandler:...', Array) #1 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/plugins/Hook.php(139): call_user_func_array(Array, Array) #2 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/plugins/Hook.php(113): PKP\plugins\Hook::run('ArticleHandler:...', Array) #3 /home/ijiert24/repo.ijiert.org/pages/article/ArticleHandler.php(366): PKP\plugins\Hook::call('ArticleHandler:...', Array) #4 [internal function]: APP\pages\article\ArticleHandler->view(Array, Object(APP\core\Request)) #5 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/PKPRouter.php(334): call_user_func(Array, Array, Object(APP\core\Request)) #6 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/PKPPageRouter.php(277): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(APP\core\Request), Array, false) #7 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route(Object(APP\core\Request)) #8 /home/ijiert24/repo.ijiert.org/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch(Object(APP\core\Request)) #9 /home/ijiert24/repo.ijiert.org/index.php(21): PKP\core\PKPApplication->execute() #10 {main} thrown in /home/ijiert24/repo.ijiert.org/plugins/generic/htmlArticleGalley/HtmlArticleGalleyPlugin.php on line 94