Notification: Performance of loadModel(Buildings): time 2.63/2.63, allocations: 268.2 MB / 275.3 MB, free: 6.516 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 1.976e-05/1.99e-05, allocations: 0 / 339.2 MB, free: 6.82 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3086/0.3086, allocations: 61.52 MB / 400.8 MB, free: 13.7 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 1.579/1.888, allocations: 0.6803 GB / 1.072 GB, free: 55.07 MB / 0.5261 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003556/1.888, allocations: 83.7 kB / 1.072 GB, free: 55.03 MB / 0.5261 GB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 1.6/Fluid/HeatExchangers/BaseClasses/ntu_epsilonZ.mo:59:5-59:81:writable] Error: Cannot resolve type of expression 0 < flowRegime. The operands have types Integer, enumeration(ParallelFlow, CounterFlow, CrossFlowUnmixed, CrossFlowCMinMixedCMaxUnmixed, CrossFlowCMinUnmixedCMaxMixed) in component . Error: Error occurred while flattening model Buildings.Fluid.HeatExchangers.Examples.DryEffectivenessNTU Notification: Performance of FrontEnd: time 1.999/3.887, allocations: 462.6 MB / 1.523 GB, free: 19.9 MB / 0.5261 GB