Lots of threads are showing this when you try to enter the thread:
Fatal error: Call to undefined method BlockUserModel::getBlockedUserIds() in /var/www/sites/huddler/releases/0f323ca50b1f2c477c8e3af0f5cf208521e65d5b/v2/system/application/modules/forums/controllers/threadenhancements.php on line 88
Fatal error: Call to undefined method BlockUserModel::getBlockedUserIds() in /var/www/sites/huddler/releases/0f323ca50b1f2c477c8e3af0f5cf208521e65d5b/v2/system/application/modules/forums/controllers/threadenhancements.php on line 88