Can't load Kernel binary: Invalid kernel binary format version

Question

I am trying to generate protocol buffers in flutter and getting this error:

Can't load Kernel binary: Invalid kernel binary format version

How can I solve this issue?

Answer 1

1. flutter pub global deactivate protoc_plugin or pub global deactivate protoc_plugin
2. flutter pub global activate protoc_plugin
3. Voila, it upvotes/works again.