#4 no sound / XMLException

[Anonymous]

Thank you for the excellent linux sim

64bit ubuntu 8.04

I have no sound. Clicking on Options, Audio unexpectedly exits the app with the message (via gdb) :
.
.
Coupling hardpoint to animation nose_gear
Scheduler::Register(0x7fff5695b8f0)
terminate called after throwing an instance of 'XMLException'

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x7f424e765730 (LWP 15101)]
0x00007f424bdba095 in raise () from /lib/libc.so.6

and "(gdb) bt" gives:
(gdb) bt
#0 0x00007fb0939f7095 in raise () from /lib/libc.so.6
#1 0x00007fb0939f8af0 in abort () from /lib/libc.so.6
#2 0x00007fb0944980e4 in __gnu_cxx::__verbose_terminate_handler () from /usr/lib/libstdc++.so.6
#3 0x00007fb094496076 in ?? () from /usr/lib/libstdc++.so.6
#4 0x00007fb0944960a3 in std::terminate () from /usr/lib/libstdc++.so.6
#5 0x00007fb09449618a in __cxa_throw () from /usr/lib/libstdc++.so.6
#6 0x00000000004e26c9 in SimpleXMLTransfer::getChild (this=<value optimized out>, child=@0x7fff9e5981e0, fCreate=false)
at src/mod_misc/SimpleXMLTransfer.cpp:1326
#7 0x00000000004ed316 in SimpleXMLTransfer::getInt (this=0x7a1830, path=@0x7fff9e598260) at src/mod_misc/SimpleXMLTransfer.cpp:530
#8 0x000000000041292c in CGUIAudioDialog (this=0xcf7420) at src/GUI/crrc_audio.cpp:94
#9 0x000000000041f4a3 in opt_audio_cb (obj=<value optimized out>) at src/GUI/crrc_gui_main.cpp:524
#10 0x00007fb094d98819 in puOneShot::doHit () from /usr/lib/libplibpu.so.1.8.4
#11 0x00007fb094d972a7 in puObject::checkHit () from /usr/lib/libplibpu.so.1.8.4
#12 0x00007fb094d991cf in puPopupMenu::checkHit () from /usr/lib/libplibpu.so.1.8.4
#13 0x00007fb094d9487a in puGroup::checkHit () from /usr/lib/libplibpu.so.1.8.4
#14 0x00007fb094d9487a in puGroup::checkHit () from /usr/lib/libplibpu.so.1.8.4
#15 0x00007fb094d910fc in puMouse () from /usr/lib/libplibpu.so.1.8.4
#16 0x000000000041f541 in CGUIMain::mouseButtonUpHandler (this=<value optimized out>, btn=<value optimized out>, x=6, y=-1)
at src/GUI/crrc_gui_main.cpp:334
#17 0x0000000000522c79 in EventHandler::handle_events (this=0x7fff9e598530) at src/mod_main/eventhandler.cpp:145
#18 0x00000000004deadb in Scheduler::Run (this=0x7fff9e598540) at src/mod_misc/scheduler.cpp:50
#19 0x0000000000514f79 in main (argc=<value optimized out>, argv=0x7fff9e598a78) at src/crrc_main.cpp:749