[<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 2.327/2.327, allocations: 268.2 MB / 275.2 MB, free: 7.66 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 0.1894/2.517, allocations: 63.84 MB / 339 MB, free: 8.051 MB / 282.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3138/2.831, allocations: 61.52 MB / 400.5 MB, free: 14.02 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 10.1/12.93, allocations: 4.481 GB / 4.872 GB, free: 134.7 MB / 0.5261 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003147/12.93, allocations: 82.16 kB / 4.872 GB, free: 134.7 MB / 0.5261 GB
[/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 1.6/BoundaryConditions/SolarIrradiation/DiffusePerez.mo:58:3-61:27:writable] Error: Failed to instantiate equation 
connect(weaBus.sol.zen, skyCle.zen);.
Error: Error occurred while flattening model Buildings.BoundaryConditions.SolarIrradiation.Examples.DiffusePerez
Error: Internal error SimCode: The model Buildings.BoundaryConditions.SolarIrradiation.Examples.DiffusePerez could not be translated to FMU