With version v0.18.3 of PowerModels, one line needs to be changed in modelopf.jl:
ref = PowerModels.build_ref(data)[:nw][0] should become: ref = PowerModels.build_ref(data)[:it][pm_it_sym][:nw][0]
Otherwise, one gets the following error:
LoadError: KeyError: key :nw not found
With version v0.18.3 of PowerModels, one line needs to be changed in modelopf.jl:
ref = PowerModels.build_ref(data)[:nw][0]should become:ref = PowerModels.build_ref(data)[:it][pm_it_sym][:nw][0]Otherwise, one gets the following error:LoadError: KeyError: key :nw not found