[Groups] Errors in latest XF versions

ErrorException: [E_WARNING] Attempt to read property "TypeHandler" on null
src/addons/Truonglv/Groups/XF/Pub/Controller/Forum.php:21

Stack trace

#0 src/addons/Truonglv/Groups/XF/Pub/Controller/Forum.php(21): XF::handlePhpError(2, '[E_WARNING] Att...', '/home/nginx/dom...', 21)
#1 src/addons/SV/ElasticSearchEssentials/XF/Pub/Controller/Forum.php(92): Truonglv\Groups\XF\Pub\Controller\Forum->actionPostThread(Object(XF\Mvc\ParameterBag))
#2 src/XF/Mvc/Dispatcher.php(352): SV\ElasticSearchEssentials\XF\Pub\Controller\Forum->actionPostThread(Object(XF\Mvc\ParameterBag))
#3 src/XF/Mvc/Dispatcher.php(258): XF\Mvc\Dispatcher->dispatchClass('XF:Forum', 'PostThread', Object(XF\Mvc\RouteMatch), Object(SV\RedisCache\XF\Pub\Controller\Forum), NULL)
#4 src/XF/Mvc/Dispatcher.php(115): XF\Mvc\Dispatcher->dispatchFromMatch(Object(XF\Mvc\RouteMatch), Object(SV\RedisCache\XF\Pub\Controller\Forum), NULL)
#5 src/XF/Mvc/Dispatcher.php(57): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#6 src/XF/App.php(2485): XF\Mvc\Dispatcher->run()
#7 src/XF.php(524): XF\App->run()
#8 index.php(20): XF::runApp('XF\\Pub\\App')
#9 {main}

Request state

array(4) {
  ["url"] => string(39) "/forums/testing.76/post-thread"
  ["referrer"] => bool(false)
  ["_GET"] => array(1) {
    ["/forums/testing_76/post-thread"] => string(0) ""
  }
  ["_POST"] => array(0) {
  }
}