diff --git a/Salmon.Web/TripletJsonConverter.cs b/Salmon.Web/TripletJsonConverter.cs
index 93ddbd0..87d09c4 100644
--- a/Salmon.Web/TripletJsonConverter.cs
+++ b/Salmon.Web/TripletJsonConverter.cs
@@ -49,14 +49,8 @@ public class TripletJsonConverter
                     ret.value = reader.GetString();
                 else if (reader.TokenType == JsonTokenType.Number)
                     ret.value = reader.GetDouble();
-                else if(reader.TokenType == JsonTokenType.PropertyName)
-                {
-                    var v = reader.GetString();
-                    throw new NotImplementedException($"Cannot read Triple.value from token type PropertyName, value {v}.");
-
-                }
                 else
-                    throw new NotImplementedException($"Cannot read Triple.value from token type {reader.TokenType}.");
+                    throw new NotImplementedException($"Cannot read Triple.value from token type {reader.TokenType} at at {reader.TokenStartIndex}.");
             }
             else
                 Console.WriteLine($"Unknown triplet field {jsonkey} with token type {reader.TokenType}.");