Recently I've found that BenT's GPXEditor's "Save All" function does not appear to work. I can't remember the exact details but it displayed an "oops sorry, please report..." type of error page. Now any type of save (I've only tried tracks) yields an unhandled exception from the server-side code:
Exception Details: Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: W. Path '', line 0, position 0.
This appears to have been caught by System.Web.Mvc's exception handler and so there's a full stack trace available.
