Roibin, it might be a Snap related issue, did you try install Shutter using the PPA: https://www.linuxuprising.com/2018/10/shutter-removed-from-ubuntu-1810-and.html ?
Roibin, it might be a Snap related issue, did you try install Shutter using the PPA: https:/ /www.linuxupris ing.com/ 2018/10/ shutter- removed- from-ubuntu- 1810-and. html ?