-domin "file" code can't make the model include slope?

[SUDO0731]

I want to make the model include slope.
But it occurred error.
This is error message and using command.

neper -T -n 86 -domain "file(sinobj.obj)" -o sin
========================    N   e   p   e   r    =======================
Info   : A software package for polycrystal generation and meshing.
Info   : Version 4.10.2-2
Info   : Built with: gsl|muparser|opengjk|openmp|nlopt|libscotch (full)
Info   : Running on 24 threads.
Info   : <https://neper.info>
Info   : Copyright (C) 2003-2024, and GNU GPL'd, by Romain Quey.
Info   : No initialization file found (`/home/sudou//.neperrc').
Info   : ---------------------------------------------------------------
Info   : MODULE  -T loaded with arguments:
Info   : [ini file] (none)
Info   : [com line] -n 86 -domain file(sinobj.obj) -o sin]
Info   : ---------------------------------------------------------------
Info   : Reading input data...
Info   : Creating domain...
Info   :     [i] Parsing file `sinobj.obj'...
Info   :     > Parsing file... 100%
Info   :     > Recovering edges... 100%
Info   :     > Recovering face geometry... 100%
Info   :     [i] Parsed file `sinobj.obj'.
Info   : Creating tessellation...
ver = 4 verfaceqty = 2 != 3

Slope is not supported or my fault?
Anyone plz help me.

This is the model I want to make.
\u4e2d\u6b62 (\u30b3\u30a2\u30c0\u30f3\u30d7)

This is obj file that I organized.
sin.txt

[rquey]

Fixed in the latest version (4.10.2-7). Thanks for the bug report.