bekomme bei folgender datei nen laufzeitfehler 5

Code:

---

bmap bcube=<cube+6.tga>;

function mtl_envmap_view()
{
        mat_set(mtl.matrix,matViewInv);
        mtl.matrix41=0;
        mtl.matrix42=0;
        mtl.matrix43=0;
}

function mtl_envmap_init()
{
        //...maybe you should copy the mat_model properties here...
        bmap_to_cubemap(mtl.skin1);
        mtl.event=mtl_envmap_view;
        mtl.enable_view=on;
}

material mtl_envmap
{
        skin1=bcube;
        event=mtl_envmap_init;

        effect=
        "
                texture entSkin1;
                texture mtlSkin1;
                matrix matMtl;
                technique envmap
                {
                        pass p0
                        {
                                texture[0]=<entSkin1>;
                                texture[1]=<mtlSkin1>;

                                zWriteEnable=true;
                                alphaBlendEnable=false;

                                colorArg1[0]=Texture;
                                colorOp[0]=Modulate2x;
                                colorArg2[0]=Diffuse;

                                colorArg1[1]=Texture;
                                textureFactor=0x40C08040; // -> C0=75%, 80=50%, 40=25%
colorOp[1]=blendFactorAlpha;
                                addressU[1]=Clamp;
                                addressV[1]=Clamp;
                                texCoordIndex[1]=cameraSpaceReflectionVector;
                                textureTransformFlags[1]=Count3;
                                textureTransform[1]=<matMtl>; // transform camera space back to world space
                        }
                }
        ";
}

Action envmap

{

IFNDEF noshader;
My.material = mtl_envmap;
IFELSE;
My.material = metallisch;
ENDIF;

}

---

wodran kann das liegen?