Materials name: {0} and Textture not found!

When, I’m tryning to import a .blend file into a j3o this displays a:

Loading obejct: domek_testowy
Importing mesh.
Reading texture from file!
Loading material.
Loaded material definition: Phong Lighting
Materials name: {0}
Texture not found!
Child (domek_testowy1) attached to this node (domek_testowy)
domek_testowy: (0.0, 0.0, -0.0)--> null
Child (domek_testowy) attached to this node (Models/domek_testowy/domek_testowy.blend)

Files are imported but without proper working materials.

Blender 2.4x. JMP3 a4 updated with SVN.