From a quick glance at github, it appears that Simple Sound 2.2 doesn't exist. Simple Sound 2.1 does, so you could use the 2.1 code from Github to install manually. Basically, the one-click is looking for a version folder that simply isn't there. <a href="https://github.com/Roll20/roll20-api-scripts/tree/master/SimpleSound" rel="nofollow">https://github.com/Roll20/roll20-api-scripts/tree/master/SimpleSound</a>