1. Go to Wiki > Structures > Area manager> Permissions
2. Choose "Unregistered / Unconfirmed"
3. Error page "An unexpected error occurred. Please try again later."
Code:
#0 src/addons/vw/vw/_core/model/permissions/xf2.php(21): XF::handlePhpError(2, '[E_WARNING] Und...', '/home/nginx/dom...', 21)
#1 src/addons/vw/vw/_core/model/permissions/vw.php(1576): vw_Permissions_Model_XF2->get_member_groups(Array)
#2 src/addons/vw/vw/_core/model/permissions/vw.php(290): vw_Permissions_Model->get_permission_keys(Array, Array)
#3 src/addons/vw/vw/_core/model/permissions/vw.php(281): vw_Permissions_Model->get_from_db(Array, Array, true)
#4 src/addons/vw/vw/_core/model/permissions/vw.php(141): vw_Permissions_Model->pre_cache(Array, Array, true)
#5 src/addons/vw/vw/_core/controller/cp/permission/vw.php(689): vw_Permissions_Model->get_debug(1, Array, 1, false, 1)
#6 src/addons/vw/vw/_core/controller/cp/permission/vw.php(660): vw_CP_Permission_Controller->set_inherited_bits(1, 1, 3, 1)
#7 src/addons/vw/vw/_core/controller/cp/permission/vw.php(62): vw_CP_Permission_Controller->edit()
#8 src/addons/vw/vw/Admin/Controller/Wiki.php(108): vw_CP_Permission_Controller->execute('edit', 'get')
#9 src/addons/vw/vw/Mvc/Dispatcher.php(30): vw\vw\Admin\Controller\Wiki->_actionIndex(Object(XF\Mvc\ParameterBag))
#10 src/addons/vw/vw/Admin/Controller/Wiki.php(51): vw\vw\Mvc\Dispatcher::dispatch(Object(vw\vw\Admin\Controller\Wiki), 'index', Object(XF\Mvc\ParameterBag))
#11 src/XF/Mvc/Dispatcher.php(352): vw\vw\Admin\Controller\Wiki->actionIndex(Object(XF\Mvc\ParameterBag))
#12 src/XF/Mvc/Dispatcher.php(259): XF\Mvc\Dispatcher->dispatchClass('vw\\vw\\Admin\\Con...', 'Index', Object(XF\Mvc\RouteMatch), Object(vw\vw\Admin\Controller\Wiki), NULL)
#13 src/XF/Mvc/Dispatcher.php(115): XF\Mvc\Dispatcher->dispatchFromMatch(Object(XF\Mvc\RouteMatch), Object(vw\vw\Admin\Controller\Wiki), NULL)
#14 src/XF/Mvc/Dispatcher.php(57): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#15 src/XF/App.php(2487): XF\Mvc\Dispatcher->run()
#16 src/XF.php(524): XF\App->run()
#17 admin.php(13): XF::runApp('XF\\Admin\\App')
#18 {main}
Code:
array(4) {
["url"] => string(153) "/admin.php?wiki/permission/&do=edit&return_panel=area&return_params[do]=permissions&return_params[areaid]=1&nodetypeid=3&nodeid=1&applytypeid=1&applyid=1"
["referrer"] => string(69) "https://.../admin.php?wiki/area/&areaid=1&do=permissions"
["_GET"] => array(8) {
["wiki/permission/"] => string(0) ""
["do"] => string(4) "edit"
["return_panel"] => string(4) "area"
["return_params"] => array(2) {
["do"] => string(11) "permissions"
["areaid"] => string(1) "1"
}
["nodetypeid"] => string(1) "3"
["nodeid"] => string(1) "1"
["applytypeid"] => string(1) "1"
["applyid"] => string(1) "1"
}
["_POST"] => array(0) {
}
}