# Page Not Found

The URL `latest/server-upgrade-and-maintenance/release-notes-and-notices/lta-to-lta-release-upgrade-notes` does not exist.

You might be looking for one of these pages:
- [Release cycle model](https://docs.sonarsource.com/sonarqube-server/server-update-and-maintenance/update/release-cycle-model.md)
- [Release notes](https://docs.sonarsource.com/sonarqube-server/server-update-and-maintenance/release-notes.md)
- [Database-related issues](https://docs.sonarsource.com/sonarqube-server/server-update-and-maintenance/troubleshooting/database-related-issues.md)
- [Backup and restore](https://docs.sonarsource.com/sonarqube-server/server-update-and-maintenance/maintenance/backup-and-restore.md)
- [Product release lifecycle](https://docs.sonarsource.com/sonarqube-server/server-update-and-maintenance/product-release-lifecycle.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.sonarsource.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.sonarsource.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/sonarqube-server/server-update-and-maintenance/update/release-cycle-model.md`)
- Use `Accept: text/markdown` header for content negotiation