Notification: Performance of FrontEnd - loaded program: time 8.731e-06/8.87e-06, allocations: 1.469 kB / 439.6 MB, free: 9.57 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1104/0.1105, allocations: 78.97 MB / 0.5065 GB, free: 2.746 MB / 414.1 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.5649/0.6756, allocations: 384.4 MB / 0.8818 GB, free: 243.5 MB / 0.6544 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002755/0.676, allocations: 100.5 kB / 0.8819 GB, free: 243.5 MB / 0.6544 GB [Buildings latest/Fluid/Chillers/Validation/Carnot_TEva_2ndLaw.mo:81:5-96:72:writable] Error: Variable chi_b.chi: Cyclically dependent constants or parameters found in scope Buildings.Fluid.Chillers.Carnot_TEva$chi_b$chi: {COP_nominal,etaCarnot_nominal}. Error: Error occurred while flattening model Buildings.Fluid.Chillers.Validation.Carnot_TEva_2ndLaw