Notification: Performance of FrontEnd - loaded program: time 1.076e-05/1.083e-05, allocations: 2.531 kB / 439.6 MB, free: 9.512 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.138/0.1381, allocations: 78.98 MB / 0.5065 GB, free: 2.68 MB / 414.1 MB Notification: Performance of FrontEnd - scodeFlatten: time 3.004/3.142, allocations: 2.144 GB / 2.651 GB, free: 227.1 MB / 0.6544 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004082/3.143, allocations: 95.94 kB / 2.651 GB, free: 227.1 MB / 0.6544 GB [Buildings latest/Fluid/HeatExchangers/DXCoils/Data/Generic/DXCoil.mo:14:3-16:53:writable] Error: Could not evaluate structural parameter (or constant): nSta which gives dimensions of array: sta[nSta]. Array dimensions must be known at compile time. Error: Error occurred while flattening model Buildings.Fluid.HeatExchangers.DXCoils.Examples.VariableSpeed