Rumors are circulating that recent changes to SL servers have created a massive problem with a 100% failure rate including complete loss of inventory.
The network connections that transfer you from one region to another are failing. TP’s to certain places consistently fail. Rumor is that if you manage to TP your inventory does not go with you.
See JIRA SVC-6691
New World Notes broke the story. See Linden Lab Acknowledges Second Life Teleportation Problem