broken lens on sony arii

@covo if your camera body is okay and "just " the lens is cracked, replacing the lens should be "all" that it takes. The Sony α7R II is a interchangeable-lens camera

Now, if I have misunderstood your question, or if you need more information about your camera, here is the SM for it. It also includes the parts list Sony Ilce 7rm2 Sm

While you work on your camera, take lots of pictures. Once you are done with it, take those pictures and create a guide for iFixit. That will help the next person that has the same problem as you do. It's easy and fun to create these guides. https://ifixit.com/Guide/new The iFixit community will appreciate this.

Repair is War on Entropy!