Tokenization Error

NiwaでDiscordのプロジェクト(コミュニティ)を認証させてトークンを発行したいのですが、Tokenization Error が表示されてしまい、トークン化できません。

Thank you for your assistance.
Sorry if this is the wrong board to ask this question.
I want to authenticate a Discord project (community) with Niwa and issue a token, but I get a Tokenization Error and cannot tokenize it.
If there is any way to solve this problem, please let us know.