I actually figured out why, it's because you have 99 of the research material from the mega items, all you need to do is sell all the valuables and then buy back one of each research part and then you should be able to use the research table.
I guess having so many of each research part caused...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.