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As we officially still support dune 2.5 (maybe it is worth rethinking that, because we already break so many dependencies):

/home/temp/fetzer/dumux-30/dumux/dumux/io/vtkfunction.hh:48:70: error: wrong number of template arguments (1, should be 2) using Mapper = Dune::MultipleCodimMultipleGeomTypeMapper;