Fatal error: Uncaught Error: Class "GenericPlugin" not found in /var/www/ejamjournal.com/ejam_web/plugins/generic/doiInSummary/DoiInSummaryPlugin.inc.php:12 Stack trace: #0 /var/www/ejamjournal.com/ejam_web/plugins/generic/doiInSummary/index.php(11): require_once() #1 /var/www/ejamjournal.com/ejam_web/lib/pkp/classes/plugins/PluginRegistry.php(259): include('...') #2 /var/www/ejamjournal.com/ejam_web/lib/pkp/classes/plugins/PluginRegistry.php(193): PKP\plugins\PluginRegistry::_deprecatedInstantiatePlugin() #3 /var/www/ejamjournal.com/ejam_web/lib/pkp/classes/plugins/PluginRegistry.php(219): PKP\plugins\PluginRegistry::_instantiatePlugin() #4 /var/www/ejamjournal.com/ejam_web/lib/pkp/classes/plugins/PluginRegistry.php(112): PKP\plugins\PluginRegistry::_loadFromDatabase() #5 /var/www/ejamjournal.com/ejam_web/lib/pkp/classes/core/Dispatcher.php(155): PKP\plugins\PluginRegistry::loadCategory() #6 /var/www/ejamjournal.com/ejam_web/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch() #7 /var/www/ejamjournal.com/ejam_web/index.php(21): PKP\core\PKPApplication->execute() #8 {main} thrown in /var/www/ejamjournal.com/ejam_web/plugins/generic/doiInSummary/DoiInSummaryPlugin.inc.php on line 12