Originally Posted by
serfty
OK, you could open your script manager, select ITA-Matrix-Powertools and enter edit mode.
Replace that content with that as attached. (Copy all, Paste all, save etc.)
On Mac/Firefox, I managed to get to the edit page, replaced contents, but did not see any option or button to save. So pressed Cmd-S anyway, how we normally save in Mac. Restarted FF, opened ITA website, see this:
Passengers (1a) Error: Unable to find content on start page.