Package Installation Error - Case-Case Layout: feedLayout is not supported for this layout

If you see the error 'Case-Case Layout: feedLayout is not supported for this layout' when installing the ScreenMeet package:

Solution:

Check that Chatter is enabled in your organization. 

You can enable chatter settings in Salesforce via Setup > Customize > Chatter > Settings (Enable "Turn on Chatter and Global Search features")

This article lists some additional causes and possible solutions.