Info    : Finalized high order topology of periodic connections
Info    : Meshing 3D...
Info    : Delaunay Meshing 1 volumes with 1 connected components
Info    : Meshing volume 1 (Delaunay)
Error   : Self intersecting surface mesh, computing intersections (this could take a while)
Info    : 8 intersecting faces have been saved into 'intersect.pos'
Error   : Could not open file 'intersect.pos'
Warning : Volume 1 consists of no elements
Info    : Done meshing 3D (0.621681 s)
Info    : 1883 vertices 3676 elements
Error   : ------------------------------
Error   : Mesh generation error summary
Error   :     1 warning
Error   :     2 errors
Error   : Check the full log for details
Error   : ------------------------------