Notification: Performance of loadModel(Buildings): time 2.4/2.4, allocations: 268.2 MB / 275.3 MB, free: 7.609 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 2.267e-05/2.269e-05, allocations: 0 / 339.2 MB, free: 7.93 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3357/0.3358, allocations: 61.53 MB / 400.8 MB, free: 13.83 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.DataCenterContinuousTimeControl Notification: Performance of FrontEnd: time 1.105/1.441, allocations: 454.9 MB / 0.8356 GB, free: 93.08 MB / 0.5261 GB