Please Help, Bug in AC?

[LL|I_LOVE_LINUX]

Hi everybody,
I am having a problem in AC 1.1.0.4
I am using ubuntu 10.10, when i click on 'set mode/map' then click on the type of match and then when a click on 'Show all maps' to show the custom maps, my client crashes. This is happening on all servers i play on
Please help immediately!

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this what i get when i start AC in terminal
stacktrace:
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_ZN12signalbinder11stackdumperEi+0x26) [0x814c0d6]
[0x86c400]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_ZN5gmenu4initEv+0x462) [0x80c3bb2]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_Z7menusetPvb+0x96) [0x80c4566]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_Z9showmenu_PKc+0x7a) [0x80c4fca]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_Z10executeretPKc+0xd8f) [0x80a0e9f]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_Z7executePKc+0x19) [0x80a1409]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_ZN11mitemmanual6selectEv+0x4c) [0x80ca7bc]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_Z7menukeyibi6SDLMod+0x13f) [0x80c47ff]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_Z8keypressibi6SDLMod+0xb4) [0x80a5194]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(_Z10checkinputv+0x28d) [0x80bb37d]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client(main+0xd69) [0x80bf149]
/lib/libc.so.6(__libc_start_main+0xe7) [0x4f6ce7]
/home/vibhav/Desktop/1.1.0.4/bin_unix/linux_client() [0x8074ca1]
AssaultCube error (11) (Couldn't open packages/maps/official/preview/maps/Brutus-Mini-gema-2..jpg)
AL lib: ALc.c:1879: exit(): closing 1 Device
AL lib: ALc.c:1808: alcCloseDevice(): destroying 1 Context(s)
AL lib: ALc.c:1420: alcDestroyContext(): deleting 16 Source(s)
AL lib: ALc.c:1818: alcCloseDevice(): deleting 2 Buffer(s)