Everything I am seeing about this issue is 3 years old with none of the answers given have worked. I am unable to enhance a utili-bot. I have had one working around the house until it said upgrade 10 and was still not given the option and when I tuned it up the upgrade level dropped to 1. I have one currently at upgrade level 4 and have all of the components needed for the enhancement according to the lesson in the menu and still no option is given. Please provide me with what I am doing wrong or a fix, thank you. I have most all of the content with the exception of Cottage LIving, Dream Home Decorator, My Wedding Stories, Journey to Batuu, Werewolves, Moschino Stuff, Nifty Knitting, Tiny Living, and all of the Kits.
A modder found the problem and fixed it two years ago. That's why I always look for a mod as soon as I see a bug. If you wait for EA to fix it, it'll never work. Here's the fix: https://sims4studio.com/thread/21108/robotics-enhance-level-criteria-parts
Found it after experiencing the exact same problem as you. I'd say EA should be ashamed, but they don't know the meaning of the word. I see them asking for save files all the time to "replicate the error", meanwhile modders just look at the actual code, find the issue, and fix it. For over a grand, this game should work.
