Code:
LogicException: Unknown relation or alias GroupForum accessed on xf_node in src/XF/Mvc/Entity/Finder.php at line 753
XF\Mvc\Entity\Finder->join() in src/XF/Mvc/Entity/Finder.php at line 649
XF\Mvc\Entity\Finder->with() in src/addons/Truonglv/Groups/Pub/Controller/Forum.php at line 157
Truonglv\Groups\Pub\Controller\Forum->nodeSaveProcess() in src/addons/Truonglv/Groups/Pub/Controller/Forum.php at line 40
Truonglv\Groups\Pub\Controller\Forum->actionAdd() in src/XF/Mvc/Dispatcher.php at line 321
XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 248
XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 100
XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 50
XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2177
XF\App->run() in src/XF.php at line 390
XF::runApp() in index.php at line 20