Hi,
Thank you for your report! As per above this is a known bug. The issue can occur with tier 1 society research (once they are all researched no new research options are displayed as available). The issue usually resolves itself after few ticks and further research options are presented.
Thank you for your report! As per above this is a known bug. The issue can occur with tier 1 society research (once they are all researched no new research options are displayed as available). The issue usually resolves itself after few ticks and further research options are presented.