bespokeappstt
Hubstaff freelancer
Given that the custom_ipn_file is not even loading is the reason why the email section is not working either. But i'll leave that for the email thread. Hope things can finally resolve here.
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.