Notification: Performance of loadModel(Buildings): time 2.702/2.702, allocations: 268.2 MB / 275.3 MB, free: 7.594 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 2.731e-05/2.742e-05, allocations: 4 kB / 339.2 MB, free: 7.918 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3369/0.337, allocations: 61.53 MB / 400.8 MB, free: 13.85 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 10.37/10.7, allocations: 4.482 GB / 4.874 GB, free: 130.4 MB / 0.5261 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000313/10.7, allocations: 98.14 kB / 4.874 GB, free: 130.4 MB / 0.5261 GB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 1.6/HeatTransfer/Windows/BaseClasses/Overhang.mo:176:3-183:31:writable] Error: Failed to instantiate equation connect(weaBus.sol.zen, solAzi.zen) annotation(Text(string = "%first", index = -1, extent = {{-6, 3}, {-6, 3}}));. Error: Error occurred while flattening model Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang Notification: Performance of FrontEnd: time 0.1837/10.89, allocations: 49 MB / 4.922 GB, free: 105.3 MB / 0.5261 GB