I tried to use the instance lop in an hda, but i got:
LogHoudiniEngine: HAPI Asynchronous Instantiation Started for lop_maitland_mushroom_house_instancer_1_0: Asset=maitland::Lop/mushroom_house_instancer::1.0, HoudiniAsset = 0x7008ddd0
LogHoudiniEngine: Error: lop_maitland_mushroom_house_instancer_1_0 FinishedInstantiationWithErrors.
LogHoudiniEngine: Error: lop_maitland_mushroom_house_instancer_1_0 Failed to instantiate - invalid task