Update to this issue: it seems like I can’t do any annual simulations now in HB+ - I get the same error above for grid based simulations now as well. I installed the newest versions of HB and LB (1.0.0) earlier this week so I’m guessing this has something to do with it. Anyone else having issues running HB+ annual simulations since updating LB and HB? (Point in time simulations in HB+ are working).