Actually It was the update before that broke, 3.6.27 works.
Plugin Support
Curtis
(@curtisbrownlee)
Hello,
Thank you for contacting us. I hope that you are doing well.
Our developers identified an issue with PHP 7 in the Ninja Forms 3.6.26 version. We sincerely apologize.
The engineers have released the patch for this. If you would, please install the 3.6.27 version and let us know if this works for you.
If you have any questions or comments, please let me know and I’ll be more than glad to assist you.
