Overgrowth error

Spawning "Data/Objects/characters/raider_rabbit_actor.xml"
Simplification - starting...
Simplification - loading model...
Simplification - preamble...
Simplification - init...
Simplification - decimating...
Simplification - outputting...
Simplification - cleaning up...
Simplification - done...
Removed 2702 degenerate triangles.
Removed 2702 degenerate triangles.
Removed 2702 degenerate triangles.
Removed 3895 degenerate triangles.
Removed 3895 degenerate triangles.
Removed 3895 degenerate triangles.
Removed 4963 degenerate triangles.
Removed 4963 degenerate triangles.
Removed 4963 degenerate triangles.
2000 of 2460 vertices are duplicates.
New vertex size: 460
Removed 0 degenerate triangles.
Initializing Theora Playback Library (1.0 RC2)
Saving history state 0...
-----------------------
Some of 0 chunks changed.

Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 9: reading configurations from ~/.fonts.conf is deprecated.
zsh: killed     ./Overgrowth.bin.x86