Did you disable all AddOns except "Tukui" and "Tukui Config"? Yes
Did you get an error? If so then post it below (use 'code' bbcode):
Please describe the issue in as much detail as possible. If you know how to reproduce the issue then mention that too:
Action Bar settings missing, Action bar rows/columns/options reset.
Please include screenshot(s) which illustrate the issue (you can attach them to this post):