Sunday update lost all Lists (Happened Twice)

[yubiuser]

[2021-01-03 05:52:35.180 3970/T3974] gravityDB_count(SELECT COUNT(DISTINCT domain) FROM vw_regex_blacklist) - SQL error step database disk image is malformed

piHole stopped working suddenly (not resolving DNS Querys) until I ran restartdns manually in CLI

This typically happens for unstable power supplies, power loss without shutting down the device properly or bad SD cards. or maybe rather https://techblog.dorogin.com/sqliteexception-database-disk-image-is-malformed-77e59d547c50