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.
I wonder what Hugh would say about thatIt's not that expensive, as far as I can tell.
Exactly!I wonder hat he would say, if community crowd funds the extension/library for fabrik.