Notification: Performance of FrontEnd - loaded program: time 1.376e-05/1.348e-05, allocations: 1.062 kB / 439.6 MB, free: 9.559 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1138/0.1139, allocations: 78.97 MB / 0.5065 GB, free: 2.676 MB / 414.1 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.8692/0.9833, allocations: 418.4 MB / 0.915 GB, free: 213.2 MB / 0.6544 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002623/0.9836, allocations: 92.58 kB / 0.9151 GB, free: 213.1 MB / 0.6544 GB [Buildings latest/Fluid/Interfaces/LumpedVolumeDeclarations.mo:3:15-5:45:writable] Notification: From here: [Buildings latest/Fluid/Boilers/Examples/BoilerPolynomialClosedLoop.mo:11:3-21:72:writable] Error: component boi contains the definition of a partial class Medium. Please redeclare it to any package compatible with Modelica.Media.Interfaces.PartialMedium. Error: Error occurred while flattening model Buildings.Fluid.Boilers.Examples.BoilerPolynomialClosedLoop