I activated the plugin Web Feed from the settings but now the site is returning http error 500. How do I deactivate the plugin now?
Using OJS 3.1.2
Error log:
PHP message: PHP Fatal error: Uncaught Error: Call to undefined method Application::get() in /var/www/clients/client2/web3/web/plugins/generic/externalFeed/ExternalFeedPlugin.inc.php:31
Stack trace:
#0 /var/www/clients/client2/web3/web/lib/pkp/classes/plugins/PluginRegistry.inc.php(65): ExternalFeedPlugin->register(‘generic’, ‘plugins/generic…’, NULL)
#1 /var/www/clients/client2/web3/web/lib/pkp/classes/plugins/PluginRegistry.inc.php(138): PluginRegistry::register(‘generic’, Object(ExternalFeedPlugin), ‘plugins/generic…’, NULL)
#2 /var/www/clients/client2/web3/web/lib/pkp/classes/core/Dispatcher.inc.php(132): PluginRegistry::loadCategory(‘generic’, true)
#3 /var/www/clients/client2/web3/web/lib/pkp/classes/core/PKPApplication.inc.php(252): Dispatcher->dispatch(Object(Request))
#4 /var/www/clients/client2/web3/web/index.php(68): PKPApplication->execute()
#5 {main}
thrown in /var/www/clients/client2/web3/web/plugins/generic/externalFeed/ExternalFeedPlugin.inc.php on line 31" while reading response header from upstream, client: 49.150.111.139, server: journalonline.com, request: “GET /index.php/pju HTTP/1.1”, upstream: “fastcgi://unix:/var/lib/php7.2-fpm/web3.sock:”, host: “journalonline.com”