Hi Praveen, Please try the proposed package update [1]. Can you confirm that all Ruby parts are in place now? Of course, I will remove protobuf_c.so from /usr/lib/ruby/vendor_ruby/google/ , the other installed place should be the official location.
Regards, Laszlo/GCS [1] dget -x https://people.debian.org/~gcs/protobuf_3.25.4-2.dsc