hi every body,
i´m trying to load and add to scene an .obj asset.  the part of the load it is correctly but then, when add to scene an error happens:
(“El búfer tiene tamaño cero” = bufer size equals to 0)

ArgumentError: Error #3671: El búfer tiene tamaño cero.
at flash.display3D::Context3D/createVertexBuffer()
at away3d.core.base::CompactSubGeometry/createBuffer()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\base\CompactSubGeometry.as:149]
at away3d.core.base::CompactSubGeometry/activateUVBuffer()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\base\CompactSubGeometry.as:89]
at away3d.core.base::SubMesh/activateUVBuffer()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\base\SubMesh.as:213]
at away3d.materials.passes::CompiledPass/render()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\materials\passes\CompiledPass.as:451]
at away3d.materials::MaterialBase/renderPass()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\materials\MaterialBase.as:346]
at away3d.core.render::DefaultRenderer/drawRenderables()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\render\DefaultRenderer.as:158]
at away3d.core.render::DefaultRenderer/draw()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\render\DefaultRenderer.as:106]
at away3d.core.render::RendererBase/executeRender()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\render\RendererBase.as:271]
at away3d.core.render::DefaultRenderer/executeRender()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\render\DefaultRenderer.as:63]
at away3d.core.render::RendererBase/render()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\core\render\RendererBase.as:235]
at away3d.containers::View3D/render()[C:\Users\pablo\Desktop\3D\away3d-core-fp11_4_1_0_Alpha\src\away3d\containers\View3D.as:626]
at BreakingAway/loop()[C:\Users\pablo\Adobe Flash Builder 4.6\BreakingAway\src\BreakingAway.as:115]

i need orientation!
thanks