# Claude asked to renumber pages deletes professor's syllabus, year of notes

- HackerByte page: <https://hackerbyte.net/en/stories/an-error-where-anthropic-s-claude-model-mistakenly-deleted-a-professor-s-syllabu-50499114>
- Original source: <https://www.tomshardware.com/tech-industry/artificial-intelligence/rogue-claude-ai-tasked-with-renumbering-pages-accidentally-deletes-law-professors-entire-syllabus-one-year-of-lecture-notes-youre-right-to-be-angry-i-deleted-your-files-through-my-own-carelessness-humbled-agent-admits>
- Hacker News discussion: <https://news.ycombinator.com/item?id=50499114>
- Submitted to Hacker News: 2026-11-14T17:51:13.000Z

An error where Anthropic's Claude model mistakenly deleted a professor's syllabus and a year's worth of notes.

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