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Hi,

I am trying to convert a simple mesh made in Gmsh (cyl.msh) to Nektar++ usable format (.xml). I can view the mesh in Gmsh. NekMesh gives the following error when I try to convert:
NekMesh -v cyl.msh out.xml

[InputGmsh]   Reading Gmsh file: 'cyl.msh'
[InputGmsh]   Finished reading mesh.
[InputGmsh]    - Element dimension        : 0
[InputGmsh]    - Space dimension          : 2
[InputGmsh]    - No. of nodes             : 0
[InputGmsh]    - No. of 0D elements       : 0
[InputGmsh]    - No. of boundary elements : 0
[InputGmsh]     - Elapsed time: 0.0542657s.
[OutputNekpp] Writing Nektar++ file 'out.xml'
Fatal   : Level 0 assertion violation
Unable to read composite index range:
terminate called after throwing an instance of 'Nektar::ErrorUtil::NekError'
  what():  Level 0 assertion violation
Unable to read composite index range:
Aborted

Can you help me with this problem? 

With kind regards,
Ilteber

--
İlteber R. Özdemir