// Load(face)
ERR_LOADF_NARROW_FACE, // too narrow face
ERR_LOADF_CLOSED_FACE, // closed face
+ ERR_LOADF_CANT_PROJECT, // impossible to project nodes
// Load(volume)
ERR_LOADV_BAD_SHAPE, // volume is not a brick of 6 faces
ERR_LOADV_COMPUTE_PARAMS, // cant compute point parameters