Unknown entities ?
When running the tutorials/helmholtz/waveguide case, I get these warnings:
Warning : Unknown entity of dimension 1 and tag 1 in physical group 1
Warning : Unknown entity of dimension 1 and tag 10 in physical group 2
Warning : Unknown entity of dimension 1 and tag 4 in physical group 100
Warning : Unknown entity of dimension 1 and tag -3 in physical group 100
Warning : Unknown entity of dimension 1 and tag 8 in physical group 101
Warning : Unknown entity of dimension 1 and tag -7 in physical group 101
Warning : Unknown entity of dimension 1 and tag 12 in physical group 102
Warning : Unknown entity of dimension 1 and tag -11 in physical group 102
Warning : Unknown entity of dimension 2 and tag 5 in physical group 1
Warning : Unknown entity of dimension 2 and tag 9 in physical group 2
Warning : Unknown entity of dimension 2 and tag 13 in physical group 3
Warning : Unknown entity of dimension 1 and tag 2 in physical group 200
Warning : Unknown entity of dimension 1 and tag 6 in physical group 201
Warning : Unknown entity of dimension 0 and tag 3 in physical group 1000
Warning : Unknown entity of dimension 0 and tag 4 in physical group 1000
Warning : Unknown entity of dimension 0 and tag 5 in physical group 1000
Warning : Unknown entity of dimension 0 and tag 6 in physical group 1000
I don't remember having them previously and they don't seem to make the solution wrong or the mesh invalid, but I don't think they're exepected. Anyone can reproduce this ?