Notification: Performance of FrontEnd - loaded program: time 9.289e-06/9.638e-06, allocations: 2.594 kB / 439.6 MB, free: 9.5 MB / 350.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1248/0.1248, allocations: 78.97 MB / 0.5064 GB, free: 2.684 MB / 414.1 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7439/0.8689, allocations: 373.6 MB / 0.8713 GB, free: 171.1 MB / 0.6544 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002657/0.8692, allocations: 85.03 kB / 0.8714 GB, free: 171.1 MB / 0.6544 GB
[Buildings latest/Fluid/Chillers/Examples/Carnot_y.mo:22:3-36:67:writable] Error: Variable chi: Cyclically dependent constants or parameters found in scope Buildings.Fluid.Chillers.Carnot_y$chi: {COP_nominal,etaCarnot_nominal}.
Error: Error occurred while flattening model Buildings.Fluid.Chillers.Examples.Carnot_y