[Fluxus] load-primitive segfaults

[gabor papp]

i'm trying to load an object using load-primitive, but fluxus segfaults.

the object is here:
http://kitchenbudapest.hu/~gabor/fluxus/test.obj

backtrace:
(gdb) backtrace
#0  0x00110402 in __kernel_vsyscall ()
#1  0x006cb690 in raise () from /lib/libc.so.6
#2  0x006ccf91 in abort () from /lib/libc.so.6
#3  0x081ba415 in fault_handler ()
#4  <signal handler called>
#5  0x046836a2 in std::string::compare () from /usr/lib/libstdc++.so.6
#6  0x01065ac1 in Fluxus::OBJPrimitiveIO::ReadIndices ()
    from 
/usr/lib/plt/collects/fluxus-015/compiled/native/i386-linux/3m/fluxus-engine_ss.so
#7  0x0106622d in Fluxus::OBJPrimitiveIO::FormatRead ()
    from 
/usr/lib/plt/collects/fluxus-015/compiled/native/i386-linux/3m/fluxus-engine_ss.so
#8  0x010620d2 in Fluxus::PrimitiveIO::Read () from 
/usr/lib/plt/collects/fluxus-015/compiled/native/i386-linux/3m/fluxus-engine_ss.so
#9  0x0100cdcf in load_primitive () from 
/usr/lib/plt/collects/fluxus-015/compiled/native/i386-linux/3m/fluxus-engine_ss.so
#10 0x08093890 in scheme_do_eval ()
#11 0x080940f8 in ?? ()
#12 0x080b82a6 in top_level_do ()
#13 0x080b845d in scheme_top_level_do ()
#14 0x0809457a in scheme_eval_compiled_multi ()
#15 0x080945cd in scheme_eval_multi ()
#16 0x0809475e in ?? ()
#17 0x08067b15 in fluxus::Interpreter::Interpret ()
#18 0x0807313f in DisplayCallback ()
#19 0x00a0e926 in ?? () from /usr/lib/libglut.so.3
#20 0x00a11f12 in fgEnumWindows () from /usr/lib/libglut.so.3
#21 0x00a0f1db in glutMainLoopEvent () from /usr/lib/libglut.so.3
#22 0x00a0f691 in glutMainLoop () from /usr/lib/libglut.so.3
#23 0x080717d6 in main ()

any help would be appreciated. thanks.

gabor