Compiling pipe_newcouple_incomp gives
../../dumux/auxiliary/properties.hh: In instantiation of const bool Dune::Properties::propertyExplicitlyUnset<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::Properties::PTag::Problem>::value:
../../dumux/auxiliary/properties.hh:391: instantiated from const bool Dune::Properties::propertyExplicitlyUnsetOnTree<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::Properties::PTag::Problem>::explicitlyUnset
../../dumux/auxiliary/properties.hh:409: instantiated from const bool Dune::Properties::propertyExplicitlyUnsetOnTree<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::Properties::PTag::Problem>::value
../../dumux/auxiliary/properties.hh:477: instantiated from const bool Dune::Properties::defaultPropertyDefinedOnTree<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::Properties::PTag::Problem>::explicitlyUnset
../../dumux/auxiliary/properties.hh:488: instantiated from const bool Dune::Properties::defaultPropertyDefinedOnTree<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::Properties::PTag::Problem>::value
../../dumux/auxiliary/properties.hh:511: instantiated from const bool Dune::Properties::propertyDefined<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::Properties::PTag::Problem>::asDefault
../../dumux/auxiliary/properties.hh:542: instantiated from const int Dune::Properties::propertyTagIndex<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::Properties::PTag::Problem>::value
../../dumux/boxmodels/boxscheme/boxscheme.hh:69: instantiated from Dune::BoxScheme<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>, Dune::OnePBoxModel<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double> > >
../../dumux/boxmodels/1p/1pboxmodel.hh:53: instantiated from Dune::OnePBoxModel<Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double> >
pipecoupleincomp_problem.hh:179: instantiated from Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>
pipe_newcouple_incomp.cc:62: instantiated from here
../../dumux/auxiliary/properties.hh:385: error: no type named SelfType in class Dune::CoupleProblemPipe<Dune::ALUCubeGrid<3, 3>, double>