Trying to use the twitter activity to get tweets and do sentiments analysis, but I keep getting the error
Source: Get Tweets
Message: Object reference not set to an instance of an object.
Exception Type: System.NullReferenceException
RemoteException wrapping System.NullReferenceException: Object reference not set to an instance of an object.
at Twitter.Get_Tweets.Execute(CodeActivityContext context)
at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)
at System.Activities.ActivityInstance.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)