I just had my first ever instance of sabnzbd corruption today. My appdata is /mnt/user/appdata/sabnzbd and my data disks are all formatted as xfs.
2019-07-24 12:20:52,064::ERROR::[database:142] Damaged History database, created empty replacement
2019-07-24 12:22:12,507::ERROR::[database:142] Damaged History database, created empty replacement
2019-07-24 12:23:17,987::ERROR::[database:142] Damaged History database, created empty replacement
2019-07-24 13:00:17,803::ERROR::[database:142] Damaged History database, created empty replacement
2019-07-24 13:00:17,823::ERROR::[database:142] Damaged History database, created empty replacement
2019-07-24 13:00:18,162::ERROR::[database:154] SQL Command Failed, see log