Notification: Performance of FrontEnd - loaded program: time 1.641e-05/1.634e-05, allocations: 2.406 kB / 439.6 MB, free: 9.535 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2093/0.2094, allocations: 78.98 MB / 0.5065 GB, free: 2.668 MB / 414.1 MB Notification: Performance of FrontEnd - scodeFlatten: time 4.756/4.966, allocations: 2.402 GB / 2.909 GB, free: 221.2 MB / 0.6544 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.00024/4.966, allocations: 95.64 kB / 2.909 GB, free: 221.2 MB / 0.6544 GB [Buildings latest/Fluid/Interfaces/PartialFourPort.mo:4:15-6:45:writable] Notification: From here: [Buildings latest/Fluid/HeatExchangers/Examples/WetCoilCounterFlowPControl.mo:68:3-86:28: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.WetCoilCounterFlowPControl