Notification: Performance of loadModel(PowerSystems): time 1.674/1.674, allocations: 232.9 MB / 239.2 MB, free: 104 kB / 200.6 MB Notification: Performance of FrontEnd - loaded program: time 0.2002/1.874, allocations: 55.15 MB / 294.3 MB, free: 10.82 MB / 248.6 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.07999/1.954, allocations: 53.21 MB / 347.6 MB, free: 5.496 MB / 296.6 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.3102/2.264, allocations: 133.6 MB / 481.2 MB, free: 3.727 MB / 408.6 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002446/2.264, allocations: 96 kB / 481.3 MB, free: 3.637 MB / 408.6 MB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/PowerSystems 0.6.0/AC3ph/Machines.mo:2208:3-2208:47:writable] Error: Could not evaluate structural parameter (or constant): n_r which gives dimensions of array: L_r[n_r]. Array dimensions must be known at compile time. Error: Error occurred while flattening model PowerSystems.Examples.Wind.WindFarm Error: Internal error SimCode: The model PowerSystems.Examples.Wind.WindFarm could not be translated to FMU