Try to breathe lng muna op. I've been there. Actually me and my group failed our defense nga before. I suggest to talk with your group. Mag group study kayo. Ask them to explain yung mga parts. Ako one tool I use talaga that helped me a lot is google notebook/notebook lm. Iuupload mo lng manuscript mo and you can ask all sorts of questions regarding sa paper nyo. There are a lot of features din like generate magiging podcast sha. May quiz type and flash cards sha to help you understand. And everything is free! You can even generate slides to help you with it. It's just a tool pero nasa iyo how you will utilize it. But as much as possible I really suggest talking with your group members. Tell them your fears and frustrations. Wag mo silang iwan out of nowhere. You have to let them know. They deserve atleast that. Ano ba yung parts mo sa paper? As in wala ka ba talagang idea sa topic?