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【Rails】ユーザーに紐づかない投稿によるエラーの解消法

エラーが発生

下記のようなエラーが発生。
NoMethodError in Boards#index undefined method decorate
d8da0dfcf578fef98beaee1e1a10acf6.png
デコレータはすでに設定済みなのになぜ?となる。

原因

そもそもデコレータの原因ではなく、ユーザがnilだったのが原因だった。ユーザが存在しないので、名前を取りに行こうとしてもできないためこのようなエラーが発生した。

解決法

rails cでBoard.all.destroy_allを行い、ユーザが紐づかない投稿が消えた。その後新規作成を行うと、エラーが発生せずに、表示された。

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