Notification: Performance of FrontEnd - loaded program: time 9.289e-06/9.498e-06, allocations: 1.438 kB / 439.6 MB, free: 9.539 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1061/0.1062, allocations: 78.98 MB / 0.5065 GB, free: 2.68 MB / 414.1 MB Notification: Performance of FrontEnd - scodeFlatten: time 3.301/3.407, allocations: 2.383 GB / 2.89 GB, free: 229.6 MB / 0.6544 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002567/3.407, allocations: 89.33 kB / 2.89 GB, free: 229.6 MB / 0.6544 GB [Buildings latest/Fluid/Interfaces/PartialFourPort.mo:4:15-6:45:writable] Notification: From here: [Buildings latest/Fluid/HeatExchangers/Examples/WetCoilCounterFlowMassFlow.mo:12:3-29:25:writable] Error: component hex contains the definition of a partial class Medium1. Please redeclare it to any package compatible with Modelica.Media.Interfaces.PartialMedium. Error: Error occurred while flattening model Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow