Add full message name to error about unknown field in json2proto

1 files changed, 1 insertions, 1 deletions

diff --git a/library/cpp/protobuf/json/json2proto.cpp b/library/cpp/protobuf/json/json2proto.cpp
index 903ffa1a85..93424a5a8e 100644
--- a/library/cpp/protobuf/json/json2proto.cpp
+++ b/library/cpp/protobuf/json/json2proto.cpp
@@ -470,7 +470,7 @@ namespace NProtobufJson {
                 knownFields[GetFieldName(*field, config)] = 1;
             }
             for (const auto& f : json.GetMap()) {
-                Y_ENSURE(knownFields.contains(f.first), "unknown field " << f.first);
+                Y_ENSURE(knownFields.contains(f.first), "unknown field \"" << f.first << "\" for \"" << descriptor->full_name() << "\"");
             }
         }
     }