What causes (and how can I fix) this odd Core Location error?

Question

ERROR,Generic,Time,320195751.128,Function,\"void CLClientHandleRegistrationTimerExpiry(__CFRunLoopTimer*, void*)\",Registration timer expired, but client is

Answer 1

Are you doing location stuff on the main thread? I had all sorts of bizarro issues with CLLocation API calls from a background thread. I moved a couple of key setup calls into the main thread, then everything worked fine.