Clonezilla: “Box” is an unknown partition device

I was looking for some files that were on my laptop before I erased it for re-partitioning (to GPT) and reinstalling. Luckily, I made an image of the drive using Clonezilla. When trying to restore the partition image to a disk (restoreparts) inside a VM, Clonezilla kept error-ing out after selecting the partition(s) to restore. …