panic: del_backref, *svp=801e59fc0, sv=8048dd5d0 at /ara/backup/disaster_backup/glacier/mt-aws/lib/App/MtAws.pm line 120.

Not a CODE reference at /ara/backup/disaster_backup/glacier/mt-aws/lib/App/MtAws.pm line 122.
END failed--call queue aborted at ./glacier/mt-aws/mtglacier line 122.
panic: invalid MRO! at ./glacier/mt-aws/mtglacier line 122 during global destruction.