Board Thread:Questions and Answers/@comment-37879564-20190111211823

I have reach level 312 and eligible for buying ecoliths but when I try to purchase the Ecolith Bldg. that requires 5k each of nanotubes, aerogel and neodymium (of which I have more of those) it is locked & I cannot buy it. Anyone... please let me know what would the reason be for locking me out? 