Ouch.... Valid images with INFINITY retention.
You will need to follow mph999's advice - duplicate all images on this tape to another tape, then expire and delete 014742.
If you run Inventory after deleting 014742, barcode 014775L7 should then be added as media-id 014775.
You will now need to re-label the tape to overwrite the internal label.
I am trying to figure out how this could've happened as this not normal behaviour.
Perhaps incorrect device mappings at some stage?
Or some manually changed barcode label and updated NBU using vmchange?