abrt version: 1.1.14
architecture: x86_64
cmdline: /usr/bin/blender.bin
component: blender
executable: /usr/bin/blender.bin
kernel: 2.6.34.9-69.fc13.x86_64
package: blender-2.49b-11.fc13
reason: export_m3g.py:1356:writeJava:AttributeError: 'NoneType' object has no attribute 'id'
release: Fedora release 13 (Goddard)
time: 1313091632
uid: 500

backtrace
-----
export_m3g.py:1356:writeJava:AttributeError: 'NoneType' object has no attribute 'id'

Traceback (most recent call last):
  File "/home/Laci/.blender/scripts/export_m3g.py", line 3061, in file_callback_java
    exporter.start()
  File "/home/Laci/.blender/scripts/export_m3g.py", line 2703, in start
    self.writer.writeFile(world, exportList, externalReferences)
  File "/home/Laci/.blender/scripts/export_m3g.py", line 2732, in writeFile
    element.writeJava(self,True)
  File "/home/Laci/.blender/scripts/export_m3g.py", line 1356, in writeJava
    aWriter.write(2,"BL%i.setNormals(BL%i);" % (self.id,self.normals.id))
AttributeError: 'NoneType' object has no attribute 'id'

Local variables in innermost frame:
self: <M3GVertexBuffer::4>
aWriter: <__main__.JavaWriter instance at 0x2e65440>
aCreate: True

How to reproduce
-----
1. File-> Export
2. Choose the m3g file format
3. Select the "As Java source"
4. Ok