您好，請問您需要什麼幫助嗎？

Liquid error: Solution::ArticleMeta#visible? delegated to solution_folder_meta.visible?, but solution_folder_meta is nil: #<Solution::ArticleMeta id: 31000176387, position: 4, art_type: 1, thumbs_up: 1, thumbs_down: 0, hits: 27, solution_folder_meta_id: 31000122525, account_id: 640089, created_at: "2025-05-19 18:54:39.000000000 +0700", updated_at: "2025-10-31 15:07:01.000000000 +0700", available: "5369254112", draft_present: "0", published: "5369254112", outdated: "0">