Liquid error: Solution::ArticleMeta#visible? delegated to solution_folder_meta.visible?, but solution_folder_meta is nil: #<Solution::ArticleMeta id: 48001239273, position: 6, art_type: 1, thumbs_up: 1602, thumbs_down: 1469, hits: 75161, solution_folder_meta_id: 155000001439, account_id: 1138611, created_at: "2023-05-07 20:58:52.000000000 +0000", updated_at: "2026-01-18 05:46:00.000000000 +0000", available: "4922030423741", draft_present: "0", published: "4922030423741", outdated: "0">

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