Error: Contents of 'examples/example_mapping.xomm' aren't a valid json or yaml: json: SyntaxError: Expected double-quoted property name in JSON at position 438; yaml: YAMLException: missed comma between flow collection entries (15:5) 12 | }, 13 | "materialMapping": [ 14 | ["material_red", "materials/mat ... 15 | ["rgba:10;50;255;127", "materia ... ----------^ 16 | ["material_green", "materials/m ... 17 | ["material_blue", "materials/ma ...