[unstable.bm] leap.soledad.common.crypto.WrongMacError: Could not authenticate document's contents.

Latest bitmask-dev:master from today, venv from scratch. I successfully logged into my unstable.bm account, but bitmask stalls with "Downloading identity document".

leap.soledad.common.crypto.WrongMacError: Could not authenticate document's contents.

shows up in the log (attached).unstable.log