Your new controller's pivot is upside down. This itself isn't wrong or bad, but... If you Freeze Transform on an object without a parent (the hip controller) basically the World is the parent. So if you add a parent later (the master controller), that parent's pivot needs to be aligned to the World. If it's not aligned to…
Man I cannot figure this out. When I go to start a new animatiob on frame 80 and freeze my transform my rig flips upsidedown and when I flip it right side up it inverts all of my previous key frames. The most recent thing I did was add the main controller at the bottom but i immediately froze that transform. I have all of…