> For the complete documentation index, see [llms.txt](https://docs.4dsky.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.4dsky.com/most-common-issues/when-logging-into-4dsky-i-get-a-404-401.md).

# When logging into 4dsky I get a 404 / 401

This is a known bug that resolves by deleting the enire url in your browser address bar and simply navigating to `https://app.4dsky.com`
