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Liquid error: Solution::ArticleMeta#visible? delegated to solution_folder_meta.visible?, but solution_folder_meta is nil: #<Solution::ArticleMeta id: 69000826690, position: 12, art_type: 1, thumbs_up: 46, thumbs_down: 50, hits: 14282, solution_folder_meta_id: 69000655471, account_id: 2016586, created_at: "2022-11-02 22:24:39", updated_at: "2025-05-22 15:31:40", available: "16432", draft_present: "0", published: "16432", outdated: "0">