'suggest topic title' AI 도우미 사용 시 500 내부 서버 오류 발생

zogstrip · 10월 16, 2026, 2:54오후

리포트 감사합니다 @Frully 다음 PR로 수정될 예정입니다.

github.com/discourse/discourse

FIX: Return no title suggestions instead of a 500 when the reply isn't a list (#44697)

main ← fix/ai-helper-title-suggestions-non-list

merged 03:54PM - 16 Oct 26 UTC

ZogStriP

+37 -3

Previously, title suggestions called `flatten` on whatever `generate_prompt` ret…urned, assuming an Array. The shape actually depends on the agent picked in `ai_helper_title_suggestions_agent` (any agent is accepted, and one without an array response format replies with plain text) and on the provider honouring the schema. Any non-Array reply made `suggest_title` fail with `undefined method 'flatten' for an instance of String`, surfaced as a generic 500 by the hijacked request. This change normalizes the reply where a list is expected, keeping only non-blank string suggestions, so a reply that isn't a list shows "No suggestions available" instead of erroring. It also drops the array clean-up in `generate_prompt`, which this now covers. Reported in https://meta.discourse.org/t/414790

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Suggested Topics - Title & Content based Suggestions Feature suggested-topics	16	3646	9월 3, 2023
500 error when using translate, proofread and generate title of ai helper Bug ai , ai-helper	1	125	7월 31, 2024
Feature request for ai title generator: toggle title/tag/category Feature ai	2	198	6월 5, 2026
Discourse AI Topic Summary :robot: Plugin ai	161	12163	7월 18, 2025
Summarize Topic with AI loads indefinitely, Invalid JSON Payload Received? Bug ai	7	525	5월 16, 2025

'suggest topic title' AI 도우미 사용 시 500 내부 서버 오류 발생

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