Actually it was a bug after the update and it has already been addressed. As per the following, https://github.com/hyperledger/fabric/commit/af5f75d3fb52ee5cd607abfef4324fc049153268.
Revert "Upgrade go protobuff from 3-beta to 3" This reverts commit a98c59a.
We are experiencing several failures related to this merge, so lets revert it for now and re-group
Please pull the latest version and it will work smoothly