An exception in Json.NET: Token PropertyName in state "Start" would result in an invalid JavaScript object

Question

Hi guys:

I see the error in my prod server log; can u give me any hint about what kinds of situations would trigger the error? Thanks.

Token PropertyName in state Start would result in an invalid JavaScript object.

2010-08-02 04:33:56,446 DEBUG 10 XXX - at Newtonsoft.Json.JsonWriter.AutoComplete(JsonToken tokenBeingWritten)
   at Newtonsoft.Json.JsonWriter.WritePropertyName(String name)