System.InvalidOperationException was caught
  HResult=-2146233079
  Message=View CheckAuthUser was mapped to a dead node, failing.
  Source=Couchbase
  StackTrace:
       at Couchbase.CouchbaseViewHandler.GetResponse(IDictionary`2 viewParams)
       at Couchbase.CouchbaseViewHandler.TransformResults[T](Func`2 rowTransformer, IDictionary`2 viewParams)
       at Couchbase.CouchbaseViewBase`1.TransformResults[T](Func`2 rowTransformer)
       at Couchbase.CouchbaseView`1.GetEnumerator()
       at System.Linq.Enumerable.Count[TSource](IEnumerable`1 source)
       at DAL.Data.DataAccess.GetUserBySignIn(CouchbaseClient bhxhBucket, String userName, String password)
  InnerException: