NullReferenceException Line: -1

@stanchion Any idea what could cause this exception? It doesn't happen often, but I have no idea what it is causing.

NullReferenceException: Object reference not set to an instance of an object
at Bolt.EventDispatcher.Global_Specific_Connection (Bolt.Event ev) [0x00000] in :0
at Bolt.EventDispatcher.Dispatch (Bolt.Event ev) [0x00000] in :0
at Bolt.EventDispatcher.DispatchAllEvents () [0x00000] in :0
at BoltCore.Poll () [0x00000] in :0
at BoltPoll.FixedUpdate () [0x00000] in :0

(Filename: Line: -1)