Here is error of your documention

Please double click on hard code then your screen has blurred and repeated the code def create @article = Article.new(article_params)

@article.save redirect_to @article end

private def article_params params.require(:article).permit(:title, :text) end def create @article = Article.new(article_params)

@article.save redirect_to @article end

private def article_params params.require(:article).permit(:title, :text) end def create @article = Article.new(article_params)

@article.save redirect_to @article end

private def article_params params.require(:article).permit(:title, :text) end def create @article = Article.new(article_params)

@article.save redirect_to @article end