I'm unable to add
Tracks For Location or
Tracks For Rotation / Scale in v2.79. The
+ button is greyed out. Why would that be?
I opened my video file in the
Movie Clip Editor, added a few markers, tracked them, ticked
Display Stabilization and
2D Stabilization and
It was suggested in the comments that I should click first "solve". None of the video tutorials that I saw on YouTube indicated that I should so that, though. I ticked "Tripod" under "Solve" and then clicked "Solve Object Motion". It made no difference.