Question: I am trying to update ERA to a newer version, but I get a "Migration Error" message while updating, what is happening?

Answer: 

Most likely, you don’t have enough disk space. When migrating, ERA makes a copy of all your projects so they can be used in the new version. You’ll need at least as much free disk space as the size of the projects folder typically found in Documents > KM Technology > ERA > data-4.xx.x (the version of ERA you are updating) > Projects: