Hi welcome to ERPNext
Well done - yes a web search on ‘Missing MLOG_CHEKPOINT’ turns up this mysql - InnoDB: Ignoring the redo log due to missing MLOG_CHECKPOINT - Database Administrators Stack Exchange
Here’s another case resolved by deleting those ib_logfile artifacts [solved] MariaDB 10.1 to MariaDB 10.2 upgrade crash
I think VB lets you take a snapshot copy of your disk image.