I just noticed a bug on a freshly installed (just downladed) version of Fiji: when I tried to change the behaviour of the L key from changing focus to the Search Bar to showing the Command Finder (Edit > Options > Search Bar…) I got this error instead of the usual popup dialog:
I found the same issue when tried this in the (updated) Fiji install that I usually run in my laptop (altough the Command Finder shows up as usual, as I had set this behaviour a long time ago). Finally, I tried it on a Fiji distribution that I downloaded back in september (without updates) and it worked just fine:
But it broke right after the first update round, which included:
So, apparently one of these recent updates accidentally messed up this component, but its hard for me to further pin down the specific culprit.