I am testing the upgrade to v11 on my Development environment
I used Silent Upgrader (as I always have) to go from 10.0.4 to 11.0.0 (Sugar Pro, On Site)
While the upgrader failed only at Step "post", which I understand to be the QRR stage of the upgrade, the DB changes for the addition of sync_key fields appear to be incomplete and now I get a 500 error because the queries are trying to use a field that is not there.
For example, when I try to log in, I get the following 500 error: