Hallo, hoe kunnen we u helpen?

Liquid error: Solution::ArticleMeta#visible? delegated to solution_folder_meta.visible?, but solution_folder_meta is nil: #<Solution::ArticleMeta id: 150000014463, position: 3, art_type: 1, thumbs_up: 4, thumbs_down: 3, hits: 793, solution_folder_meta_id: 150000538279, account_id: 2504098, created_at: "2022-10-20 14:42:33", updated_at: "2024-02-22 13:55:04", available: "1189040", draft_present: "0", published: "1189040", outdated: "0">