Hi,

I got the exact same error, but with time-machine, when travelling
from 1.1.0 to 29091731a0c6cb649cdfd72297575fe2bb2a9591 (actually,
29091731a0c6cb649cdfd72297575fe2bb2a9591 + a patch, but that probably
does not matter).

TBI ...

Greetings,
Maxime.