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Incident detail

**Summary:** We are experiencing an issue with NotebookLM **Description:** We are experiencing an issue with…

Summary:: We are experiencing an issue with NotebookLM Description:: We are experiencing an issue with AudioOverview, VideoOverview, NAPPS (Notebook Apps) for NotebookLM users, beginning on Thursday, 2025-09-11 10:04 PDT. Mitigation work is currently underway by our engineering team. We do not have a full mitigation ETA at this time. We will provide an update by Thursday, 2025-09-11 15:00 PDT with current details. Symptoms:: NotebookLM users may see failures to generate: - Audio Overviews - Video Overviews - Reports - Flashcards - Quizzes Features launched earlier this week have been rolled back for now. (Quizzes, Flashcards, Reports) (https://blog.google/technology/google-labs/notebooklm-student-features/) Any previously generated artifacts are accessible. All other features and CUJs are believed to be working. E.g. text Q&A chat, adding sources should work Workaround:: None at this time.

Resolved incidentMinor0 affected services

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  1. Investigating

    **Summary:** We are experiencing an issue with NotebookLM **Description:** We are experiencing an issue with AudioOverview, VideoOverview, NAPPS (Notebook Apps) for NotebookLM users, beginning on Thursday, 2025-09-11 10:04 PDT. Mitigation work is currently underway by our engineering team. We do not have a full mitigation ETA at this time. We will provide an update by Thursday, 2025-09-11 15:00 PDT with current details. **Symptoms:** NotebookLM users may see failures to generate: - Audio Overviews - Video Overviews - Reports - Flashcards - Quizzes Features launched earlier this week have been rolled back for now. (Quizzes, Flashcards, Reports) (https://blog.google/technology/google-labs/notebooklm-student-features/) Any previously generated artifacts are accessible. All other features and CUJs are believed to be working. E.g. text Q&A chat, adding sources should work **Workaround:** None at this time.

  2. Resolved

    **Summary:** NotebookLM users may have encountered failures when generating some features. **Description:** The issue with Audio Overviews and Video Overviews has been resolved for all affected users as of Thursday, 2025-09-11 14:27 PDT. We thank you for your patience while we worked on resolving the issue. **Symptoms:** NotebookLM users may have encountered failures to generate: * Audio Overviews * Video Overviews * Reports * Flashcards * Quizzes Features launched earlier this week (Quizzes, Flashcards, Reports) have been temporarily rolled back as part of the mitigation. (https://blog.google/technology/google-labs/notebooklm-student-features/) Any previously generated artifacts were accessible. All other features and CUJs were unaffected by this issue; e.g. Text Q&A chat, adding sources.