hmm.. looks interesting,
what are your versions? (proxmox-backup-manager version --verbose)
can you post the beginning and end of both task logs ?
also are you sure your schedule is correct?
it now says: 'every tuesday at every hour + 10 min' so 00:10, 01:10, 02:20, etc.
the job itself then takes ~14 hours so to schedule it every hour on one day of the week seems as it were not intended