If you execute multiple HyperBackup tasks in parallel backup mode, the following symptoms may occur.
1) Email notification error: Failed to get notify info, err -101 Level=ERROR 
2) Some emails are not sent when multiple tasks send emails at the same time.
3) Multiple backup tasks write to one task log at the same time, and the email content is incorrect.
This is a known issue.
Change the operation mode to [Sequential Backup] in [Preferences]-[HyperAgent Settings].
– ActiveImage Protecotor 2018 Update – Update 6