Notification: Performance of loadModel(Buildings): time 2.379/2.379, allocations: 268.2 MB / 275.3 MB, free: 7.609 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.186e-05/2.196e-05, allocations: 4 kB / 339.2 MB, free: 7.93 MB / 282.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2777/0.2777, allocations: 61.52 MB / 400.8 MB, free: 13.84 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 9.404/9.681, allocations: 4.478 GB / 4.869 GB, free: 131.9 MB / 0.5261 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003094/9.682, allocations: 97.09 kB / 4.869 GB, free: 131.9 MB / 0.5261 GB
[/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 1.6/BoundaryConditions/SolarGeometry/ZenithAngle.mo:23:3-30:31:writable] Error: Failed to instantiate equation 
connect(weaBus.sol.dec, zen.decAng) annotation(Text(string = "%first", index = -1, extent = {{-6, 3}, {-6, 3}}));.
Error: Error occurred while flattening model Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyClearness
Notification: Performance of FrontEnd: time 0.003868/9.686, allocations: 1.101 MB / 4.87 GB, free: 131.6 MB / 0.5261 GB