I've installed Appian Web parts for Sharepoint in Sharepoint Server. When I

I've installed Appian Web parts for Sharepoint in Sharepoint Server. When I try to login with Appian Username/Password from Sharepoint, it displays below error:

Error occurred in WebPart rendering:System.ArgumentNullException: Value cannot be null. Parameter name: value at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings) at Appian.AppianPart.AppianPart.CheckUserAccess() at Appian.AppianPart.AppianPart.CreateChildControls()

Any suggestions??

Thanks in advance!!

OriginalPostID-141129

OriginalPostID-141129