> For the complete documentation index, see [llms.txt](https://docs.tzproject.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tzproject.com/support/errors/error-2-update-tzx-or-check-if-it-is-not-under-maintenance.md).

# Error #2 - Update TZX or Check If It Is Not Under Maintenance

## Solution:

1. Update TZX or Check If It Is Not Under Maintenance.
2. Use a VPN.
