core dump saving quadratic tetrahedra in Xdmf format

Get a source 'Unstructured Cell Types' (version 5.4)

select "quadratic tet"

Save data.

you're greeded with the following message:

I do not know how to make that xdmf cell type

Invalid topology type id found in connectivity when parsing mixed topology.

Qt has caught an exception thrown from an event handler.

Aborted (core dumped)