Fatal error: Declaration of action_plugin_interwiki::register(&$contr) must be compatible with dokuwiki\Extension\ActionPlugin::register(dokuwiki\Extension\EventHandler $controller) in /home/shafighi/multiwiki.shafighi.com/lib/plugins/interwiki/action.php on line 25
dokuwiki\Exception\FatalException: Declaration of action_plugin_interwiki::register(&$contr) must be compatible with dokuwiki\Extension\ActionPlugin::register(dokuwiki\Extension\EventHandler $controller)

dokuwiki\Exception\FatalException: Declaration of action_plugin_interwiki::register(&$contr) must be compatible with dokuwiki\Extension\ActionPlugin::register(dokuwiki\Extension\EventHandler $controller)

An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the interwiki plugin.

More info has been written to the DokuWiki error log.