Notification: Performance of loadModel(Buildings): time 2.355/2.355, allocations: 268.2 MB / 275.3 MB, free: 10.18 MB / 234.7 MB Notification: Performance of FrontEnd - loaded program: time 2.955e-05/2.961e-05, allocations: 7.984 kB / 339.2 MB, free: 14.79 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.15/0.1501, allocations: 61.53 MB / 400.8 MB, free: 1.141 MB / 330.7 MB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 1.6/Examples/ChillerPlant/BaseClasses/Controls/WSEControl.mo:42:3-47:78:writable] Error: Class Modelica_StateGraph2.Step not found in scope Buildings.Examples.ChillerPlant.BaseClasses.Controls.WSEControl. Error: Error occurred while flattening model Buildings.Examples.ChillerPlant.DataCenterDiscreteTimeControl Notification: Performance of FrontEnd: time 1.311/1.462, allocations: 454.9 MB / 0.8356 GB, free: 156.5 MB / 0.5261 GB