I hadn’t used my fullnode in a while and booted it up today. I was at 90% synced then at 98% received an errorlog stating to update to 4.2 - wish i saved that log. This is what happens in my zcashd immediatly before it crashes when i run it.
@xenzo, this problem has been fixed by PR 4690, which is part of v4.2.0, but unfortunately, the assertion failure can happen while upgrading to v4.2.0. You will need to restart with -reindex as ChiliBob suggested, or with -rescan which is faster. (You have not lost funds or anything like that.)