This page lists common issues that may occur when using Milvus, as well as possible troubleshooting tips.

What should I do if I got AttributeError: module 'google.protobuf.descriptor' has no attribute '_internal_create_key'?

You should upgrade Protobuf with pip install --upgrade protobuf to version later than that PyMilvus required. You can check the version of Protobuf installed on on your device with pip3 show protobuf.