Can't get beyond lvl 19 objective

kixeyeuser_1419799797509_100008740596014
kixeyeuser_1419799797509_100008740596014
Potential Threat
Joined Sep 2015 Posts: 49
As per the header, game won't let me research beyond lvl 19. I have completed all the objectives and have enough uranium,

has anyone else encountered this problem and found a solution?
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