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
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$smallerElHTMLName = $tmpElement->getFullName(true, false);
$target = $this->formData[$smallerElHTMLName];
// mimick php 7 behaviour
if(is_null($target))
{
$repeatGroup = 0;
}
else if(is_countable($target))
{
$repeatGroup = count($target);
}
else
{
$repeatGroup = 1;
}
//$repeatGroup = count($this->formData[$smallerElHTMLName]);
$tableJoinsFound = $this->tableJoinsFound();
// HACK HACK, import with joins very broken so hard code no joins found
$tableJoinsFound = false;