OK, found a solution here: https://bugs.launchpad.net/caffeine/+bug/1041555 Post #1 suggested to install the following: gir1.2-appindicator3-0.1 gir1.2-notify-0.7
I did, and now I can activate the plugin.
OK, found a solution here: https:/ /bugs.launchpad .net/caffeine/ +bug/1041555 appindicator3- 0.1
Post #1 suggested to install the following:
gir1.2-
gir1.2-notify-0.7
I did, and now I can activate the plugin.