You'll have to use an alternative installation method, select another device to look for ISO image, or try again after you've fixed it.
Ilaq ad tesqedceḍ tarrayt-nniḍen n usebded, fren ibenk-nniḍen i unadi ɣef tugna ISO, neɣ ɛreḍ tikkelt-nniḍen send mi ara tt-tṣeggmeḍ.