When i run the script without sudo gives me this error

== Extracting files from ISO to the partition ==

7-Zip [64] 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18
p7zip Version 9.20 (locale=C,Utf16=off,HugeFiles=on,4 CPUs)

Error:
there is no such archive

But when i run it with sudo it works perfectly!

SO
Distributor ID: neon
Description: KDE neon User Edition 5.12
Release: 16.04
Codename: xenial

Kernel: 4.13.0-39-generic