> For the complete documentation index, see [llms.txt](https://www.zerabooks.com/help/llms.txt).

# FAQs & Troubleshooting

Answers to the most common questions, and every error message explained.

- [Common questions](https://www.zerabooks.com/help/faqs-and-troubleshooting/common-questions): Short answers to the questions bookkeepers ask most about ZeraBooks, from uploading statements to closing the books, each with a link to the full guide.
- [Error messages explained](https://www.zerabooks.com/help/faqs-and-troubleshooting/error-messages): Every error message ZeraBooks shows, grouped by screen, with what it means and how to fix it. Search this page for the words you see on screen.
- [Navigation and shortcuts](https://www.zerabooks.com/help/faqs-and-troubleshooting/navigation-and-shortcuts): A map of the left navigation, the company menu, search with Command-K, Ask Zera, and every keyboard shortcut in ZeraBooks.
- [Use the Help Center with AI tools](https://www.zerabooks.com/help/faqs-and-troubleshooting/use-the-help-center-with-ai): Ask Zera answers questions from these guides, and every page works with ChatGPT, Claude and any MCP-compatible AI tool.