"State dimension invalid" );
"State dimension invalid: " + state_dim_name );
    POMDPAssetDimensionModel getPOMDPAssetDimensionModel            ( String state_dim_name )            throws BelievabilityException    {        // Method implementation comments go here ...        int dim_idx = _asset_type_model.getStateDimIndex( state_dim_name );        if ( dim_idx < 0 )            throw new BelievabilityException                    ( "POMDPAssetModel.getPOMDPAssetDimensionModel()",                      "State dimension invalid" );        return _dimension_pomdp_model[dim_idx];    } // method getPOMDPAssetDimensionModel