Some of my clients are getting this message if they try to enter confirm oauth code. We have checked their detailed debug log and we have noticed, when the app invokes DropboxOAuth2Helper.ProcessCodeFlowAsync then it returned the error: Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: <. Path '', line 0, position 0. But, it looks like there is no way to get a full response message from the dropbox server with a detailed information related to this error. I'm wondering, is there any way to get a full response from the service in this case?
In fact, we have many installations of our application and this code working fine on many of them, but there are a few installations with this strange error message.
Thanks! The "Internal Server Error" for a malformed code like that is a known issue.
Please do let us know if you get the log for the "<" issue though. That may be a different issue, so we'll need to figure out how to reproduce it. I suspect there's some unexpected value being sent that is causing the call to fail like that. Thanks!
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