GET http://0.0.0.1/ net::ERR_ADDRESS_UNREACHABLE

Hi, thanks for this very high-quality theme! I have a problem that I cannot seem to be able to resolve: somewhere (and I cannot determine where) there is a request made like this: GET http://0.0.0.1/ The console shows the obvious error: GET http://0.0.0.1/ net::ERR_ADDRESS_UNREACHABLE, and this causes Browsers to mark my website as "partially insecure" because it is using SSL but does this incorrect HTTP request. I have tried disabling all plugins and I've tried deleting and re-installing the theme, all without success. Using a different theme doesn't cause the error. The website is here: guitarhackery.com Hope somebody can help me. Thanks!