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.
Error: TypeError: this.setStyle is not a function
c.addEvent(delegate, function (event, target) {
var subEls = document.id(subElsName).getElements('input');
if (subEls.contains(target)) {
typeOf(js) === 'function' ? js.delay(0) : eval(js);
}
});
var subEls = document.id(subElsName).getElements('input');
this.get('value')