Warning: Requested package Modelica of version 3.2.2, but this package was already loaded with version 3.2.1. You might experience problems if these versions are incompatible. Notification: Performance of loadModel(Buildings): time 2.531/2.531, allocations: 318 MB / 323.7 MB, free: 5.438 MB / 264.6 MB Notification: Performance of FrontEnd - loaded program: time 1.847e-05/1.854e-05, allocations: 4 kB / 398.8 MB, free: 1.031 MB / 312.6 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1569/0.1569, allocations: 72.83 MB / 471.6 MB, free: 8.066 MB / 392.6 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.4122/0.5692, allocations: 149.5 MB / 0.6065 GB, free: 6.902 MB / 488.6 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002874/0.5695, allocations: 94.88 kB / 0.6066 GB, free: 6.852 MB / 488.6 MB Error: Error occurred while flattening model Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_N Notification: Performance of FrontEnd: time 0.3677/0.9373, allocations: 106.9 MB / 0.711 GB, free: 1.816 MB / 0.5709 GB