browser doesn't understand how to supply the credentials required.

error was encountered while trying to use an ErrorDocument to handle the request.

This server could not verify that you 401 Authorization Required credentials (e.g., bad password), or your

Additionally, a 401 Authorization Required are authorized to access the document requested. Either you supplied the wrong

Authorization Required

Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/1.0.1e-fips mod_bwlimited/1.4 Server at Port 80