Fatal error: Uncaught TypeError: PKP\plugins\Hook::register(): Argument #2 ($callback) must be of type callable, array given, called in /home/msra/public_html/plugins/generic/plumAnalytics/PlumAnalyticsPlugin.inc.php on line 86 and defined in /home/msra/public_html/lib/pkp/classes/plugins/Hook.php:81 Stack trace: #0 /home/msra/public_html/plugins/generic/plumAnalytics/PlumAnalyticsPlugin.inc.php(86): PKP\plugins\Hook::register() #1 /home/msra/public_html/lib/pkp/classes/plugins/PluginRegistry.php(76): PlumAnalyticsPlugin->register() #2 /home/msra/public_html/lib/pkp/classes/plugins/PluginRegistry.php(121): PKP\plugins\PluginRegistry::register() #3 [internal function]: PKP\plugins\PluginRegistry::PKP\plugins\{closure}() #4 /home/msra/public_html/lib/pkp/classes/plugins/PluginRegistry.php(121): array_walk_recursive() #5 /home/msra/public_html/lib/pkp/classes/core/Dispatcher.php(155): PKP\plugins\PluginRegistry::loadCategory() #6 /home/msra/public_html/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch() #7 /home/msra/public_html/index.php(21): PKP\core\PKPApplication->execute() #8 {main} thrown in /home/msra/public_html/lib/pkp/classes/plugins/Hook.php on line 81