This is the error I see trying to view a topic after upgrading a site to 5.0.2: TypeError: IPS\forums\Topic::canViewFutureItems(): Return value must be of type bool, null returned (0) #0 /home/nuovo/domains/domain.com/public_html/invision/system/Content/Item.php(3029): IPS\forums\Topic::canViewFutureItems() #1 /home/nuovo/domains/domain.com/public_html/invision/applications/forums/sources/Topic/Topic.php(379): IPS\Content\Item::getItemsWithPermission() #2 /home/nuovo/domains/domain.com/public_ht