>> generateExtension('~/ndx-pose-main/spec/ndx-pose.namespace.yaml')

Error using indexing
The specified key is not present in this container.

Error in file.Link (line 20)
            obj.name = source('name');

Error in file.Group (line 116)
                    obj.links(i) = file.Link(sourceLinks{i});

Error in file.processClass (line 19)
                    class = file.Group(node);

Error in file.writeNamespace (line 16)
    [processed, classprops, inherited] = file.processClass(className, Namespace, pregenerated);

Error in generateExtension (line 59)
            file.writeNamespace(parsedNamespace.name, options.savedir);