Today I needed to make screenshot on my freshly updated Ubuntu OS. I found out, it’s not possible. After few seconds of googling I found this article :
https://itsfoss.com/shutter-edit-button-disabled/
As described in the article, it’s caused by not updated application for a long time. Application is using older dependencies, which are no longer part of Ubuntu anymore.
In case you want to know more details, I recommend to visit original article.
To quote original article ( and I’m writing this only to have copy of original one ) There are required 3 libraries to install:
In case you already run Shutter, you should make one last step in console. Close all running processes of shutter application
sudo killall shutter