def METHOD_NAME(v3_data_dir):
    configs = get_v3_config_info(v3_data_dir)
    v4_rm_dir = os.path.join(os.path.dirname(v3_data_dir), "graphs", "resource_models")
    errors = []
    for rm, conf in configs.items():
        print(rm)
        graph_file_path = os.path.join(v4_rm_dir, rm + ".json")
        if not os.path.isfile(graph_file_path):
            errors.append("Missing graph json: " + graph_file_path)
        for k, v in conf.items():
            if k == "v3_entitytypeid":
                continue
            if not os.path.isfile(v):
                errors.append("File does not exist: " + v)
    return errors