[Gmsh] Problem with recombine command

[MGlocken at aol.com]

Hi,
 
I have tried to mesh a cube (cube.geo) with recombined elements. But I  get 
an error. This is the log:
 
Info    :  -------------------------------------------------------
Info     : Gmsh version   : 2.2.0
Info    : Build  OS       :  CYGWIN_NT-5.1-no-cygwin
Info    : Build options  : GSL  NETGEN TETGEN JPEG PNG ZLIB MATHEVAL ANN OCC 
MED 
Info    :  Build date     : Sat Apr 19 07:31:37 RDT  2008
Info    : Build host     :  winxp
Info    : Packager       :  Administrator
Info    : Home directory :  C:\DOKUME~1\MICHAE~1\LOKALE~1\Temp/
Info    : Launch  date    : Wed Oct 01 21:37:35 2008
Info    :  Command line   : C:\Dokumente und Einstellungen\Michael  
Glockenmeier\Desktop\gmsh.exe
Info    :  -------------------------------------------------------
Info     : Reading  'C:\DOKUME~1\MICHAE~1\LOKALE~1\Temp/untitled.geo'
Info    :  Read 'C:\DOKUME~1\MICHAE~1\LOKALE~1\Temp/untitled.geo'
Info     : Reading  'C:/Programme/FEM_GMSH/gmsh-2.2.0-Windows/demos/cube.geo'
Info     : Read  'C:/Programme/FEM_GMSH/gmsh-2.2.0-Windows/demos/cube.geo'
Info     : Recombine Surface {28,23,27,19,6,15};
Info    : Meshing  1D...
Info    : Meshing curve 1  (Line)
Info    : Meshing curve 2  (Line)
Info    : Meshing curve 3  (Line)
Info    : Meshing curve 4  (Line)
Info    : Meshing curve 8  (Line)
Info    : Meshing curve 9  (Line)
Info    : Meshing curve 10  (Line)
Info    : Meshing curve 11  (Line)
Info    : Meshing curve 13  (Line)
Info    : Meshing curve 14  (Line)
Info    : Meshing curve 18  (Line)
Info    : Meshing curve 22  (Line)
Info    : Mesh 1D complete (0  s)
Info    : Mesh
Info    : Meshing  2D...
Info    : Meshing surface 6 (Plane,  MeshAdapt+Delaunay)
Info    : Recombining triangles for  surface 6
Info    : Meshing surface 15 (Ruled surface,  MeshAdapt+Delaunay)
Info    : Recombining triangles for  surface 15
Info    : Meshing surface 19 (Ruled surface,  MeshAdapt+Delaunay)
Info    : Recombining triangles for  surface 19
Info    : Meshing surface 23 (Ruled surface,  MeshAdapt+Delaunay)
Info    : Recombining triangles for  surface 23
Info    : Meshing surface 27 (Ruled surface,  MeshAdapt+Delaunay)
Info    : Recombining triangles for  surface 27
Info    : Meshing surface 28 (Plane,  MeshAdapt+Delaunay)
Info    : Recombining triangles for  surface 28
Info    : Mesh 2D complete (0.300432  s)
Info    : Mesh
Info    : Meshing  3D...
Error   : Cannot tetrahedralize volume with quadrangles on  boundary
Info    : Mesh 3D complete (0  s)
Info    : Mesh
Info    : 264 vertices 412  elements


What is wrong?
 
Greetings,

Michael  Glockenmeier

----------------------------------------------
Fa.  Michael Glockenmeier
Dipl.-Ing. Michael Glockenmeier
Hauptstr. 55  c
D-86926 Greifenberg
Germany

Tel ++49 (0) 8192/933 185
Fax ++49  (0) 8192/933 186
Email _mglocken at aol.com_ (mailto:mglocken at aol.com) 

Visit my site:  _www.femcfd.com_ (http://www.femcfd.com/) 

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