[<interactive>:1:1-1:32:writable] Error: Class GC_set_max_heap_size not found in scope <global scope> (looking for a function or record).
Notification: Performance of loadModel(Buildings): time 2.284/2.284, allocations: 268.2 MB / 275.2 MB, free: 7.656 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 0.1826/2.467, allocations: 63.84 MB / 339 MB, free: 8.062 MB / 282.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3633/2.83, allocations: 61.53 MB / 400.5 MB, free: 14 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 10.29/13.13, allocations: 4.478 GB / 4.869 GB, free: 136.2 MB / 0.5261 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003395/13.13, allocations: 91.33 kB / 4.869 GB, free: 136.2 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
Error: Internal error SimCode: The model Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyClearness could not be translated to FMU