Can’t update ps4 slim

Idk when the update got released but my PS4 slim was unable to update the latest system software 7.55 when I tried updating it, it gave me error
su-42118-6 I’ve tried to fix it from taking it apart and see if I could find the solution but I didn’t take it apart to much since I didn’t really know what I was doing, I was wondering if their even is a solution. I can’t play any of the latest games bc they all got updates and I’m unable to play them if you guys could please help me find a solution on what to do and how to fix this problem. My PS4 also won’t take any disc I had to take the disc that was stuck in their previously