Problem with SuperTuxKart/Irrlicht on FreeBSD

Hi,
SuperTuxKart compiled without problems on FreeBSD
But there are problems with starting of SuperTuxKart:
System: FreeBSD 8.0 i386 with Irrlicht 1.7.1
What can I do?
SuperTuxKart compiled without problems on FreeBSD

- {l Code}: {l Select All Code}
Assertion failed: (!(index>=used)), function operator[], file ../../include/irrString.h, line 338.
Abort trap: 6
System: FreeBSD 8.0 i386 with Irrlicht 1.7.1
What can I do?