Keys still not working after I replace the keyboard.

Howdy! I spilled coffee on my keyboard. All of the keys were still working, but they were crunching badly and sticking a little from the dried sugar. I replaced the keyboard with an upper from Ifixit and after the installation was complete, the v, f, r, 4, b, g, t, and 5 keys would not work. I assumed I had a faulty keyboard, so I bought another one and installed it also. The same keys will not work.

I am assuming I've damaged the connector somehow... Any recommendations on how to fix that? Would replacing the motherboard possibly fix the issue?