Notification: Performance of loadModel(Buildings): time 2.411/2.411, allocations: 268.2 MB / 275.3 MB, free: 6.496 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 3.179e-05/3.182e-05, allocations: 4 kB / 339.2 MB, free: 6.785 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3186/0.3187, allocations: 61.52 MB / 400.8 MB, free: 13.72 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 1.968/2.287, allocations: 0.7446 GB / 1.136 GB, free: 140.4 MB / 0.5261 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003298/2.287, allocations: 88.84 kB / 1.136 GB, free: 140.4 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.DryEffectivenessNTUPControl Notification: Performance of FrontEnd: time 2.196/4.483, allocations: 0.4902 GB / 1.626 GB, free: 70.77 MB / 0.5261 GB