URI must be ascii only "https://www.linegames.org/ch/\u300E\u3086\u308B\u30AD\u30E3\u30F3\u25B3-\uFF5E\u3071\u305A\u308B\u30AD\u30E3\u30F3\u30D7\uFF5E\u300F-codes/337541570927/"
Check out the README for more details