Notification: Performance of FrontEnd - loaded program: time 1.39e-05/1.404e-05, allocations: 1.312 kB / 439.6 MB, free: 9.539 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1318/0.1319, allocations: 78.98 MB / 0.5065 GB, free: 2.625 MB / 414.1 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.5825/0.7145, allocations: 368.5 MB / 0.8663 GB, free: 172.8 MB / 0.6544 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004515/0.7151, allocations: 94.61 kB / 0.8664 GB, free: 172.8 MB / 0.6544 GB [Buildings latest/Fluid/Interfaces/LumpedVolumeDeclarations.mo:3:15-5:45:writable] Notification: From here: [Buildings latest/Fluid/Boilers/Examples/BoilerPolynomial.mo:28:3-39:70:writable] Error: component boi1 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.BoilerPolynomial