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.
if ((int) $group->id === 8 && $this->groups['PROJETS_LISTE- [projets_photos]']->elements['description']->value === '') :continue;endif;
// Add the add/remove repeat group buttons
if ($group->editable && ($group->canAddRepeat || $group->canDeleteRepeat)) : ?>
<div class="fabrikGroupRepeater pull-right btn-group">
<?php if ($group->canAddRepeat) :
echo $this->addRepeatGroupButton;
endif;
if ($group->canDeleteRepeat) :
echo $this->removeRepeatGroupButton;
endif;?>
</div>
<?php
endif;
?>