return err
				}
				if exportedSizes[m.objSize] {
					fmt.Println("Skipping version", key, "as it has already been exported.")
					continue nextFile
				}
				addedFiles := 0
			compareFile:
				for otherKey, other := range files[partIdx] {
					addedFiles++
					if attempt > 0 && len(m.filled) == len(combineFilled) {
						fmt.Println("Merging previous global data")
						filled := 0