I regenerated a chapter, it failed, and my old text was replaced by a "could not be generated" notice. Is my text gone?

Update to v1.8.3 — this can no longer happen. In older versions, a failed regeneration (usually an API quota or connection problem) overwrote the chapter with a failure notice, destroying the previous text. Since v1.8.3, a failed regeneration leaves your existing chapter completely untouched: the text stays exactly as it was, and BookyAI shows you the real reason the attempt failed so you can fix it (most often the AI provider's daily quota — wait or switch the engine — or a missing/invalid API key in Settings). If it already happened to you on an older version, check the chapter's Versions panel after updating (open the chapter in the editor and click "Versions") —

if a snapshot exists there, one click restores it.