Hello Reps,
We have just invited everyone to the new NDA group, please check your mozillians email and accept the invitation.
Once you accept terms you will be able to access to all NDA content again. If you have questions, please refer to this topic:
https://discourse.mozilla-community.org/t/new-nda-faq/7170/
Wiki: https://wiki.mozilla.org/NDA
If you didn’t receive the invitation, please ping your mentor. Also please, make sure you use the same email to log-in on Mozillians and Reps portal, some people were difficult to invite because of this 
Thanks!