For running J!5.1 you must https://fabrikar.com/forums/index.php?wiki/update-from-github/ or include the new file manually https://fabrikar.com/forums/index.php?threads/joomla-5-1-and-fabrik-cannot-find-files-error.54473/post-285151 See also Announcements
Please see our announcement here.
- which link / form is it?Please see my 'eqm' site.
.... so he assumed you wanted a multipage form.
I am running (afaik) the latest git and my save button is grayed out on multipage form in tabbed mode.
Why wasn't the submit button working?