0 Call to a member function _autoRegister() on null on update to 3.7

After upgrading to 3.7, I am getting
WHOOOPS! ERROR!
Looks like something went wrong. Sorry!
0 Call to a member function _autoRegister() on null
on the Display Plans/Groups Menu...

It shows this error when a person is NOT LOGGED IN. When a person is logged in, it shows the correct plans/groups
https://zainabcenter.org/membership/enrollment

I also created a test menu https://zainabcenter.org/test ... Same issue
Please assist