Notification: Performance of loadModel(Buildings): time 2.668/2.668, allocations: 268.2 MB / 275.3 MB, free: 7.609 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 2.792e-05/2.801e-05, allocations: 4 kB / 339.2 MB, free: 7.938 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3086/0.3086, allocations: 61.54 MB / 400.8 MB, free: 13.82 MB / 330.7 MB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 1.6/Examples/HydronicHeating/TwoRoomsWithStorage.mo:332:3-337:70:writable] Error: Class Modelica_StateGraph2.Step not found in scope Buildings.Examples.HydronicHeating.TwoRoomsWithStorage. Error: Error occurred while flattening model Buildings.Examples.HydronicHeating.TwoRoomsWithStorage Notification: Performance of FrontEnd: time 6.444/6.753, allocations: 2.898 GB / 3.29 GB, free: 77.36 MB / 0.5261 GB