Cannot login to Piwik (no replies)

Hi All,

We suddenly cannot login to our Piwik installation. When logging in, the browser shows an error message stating that the connection to the server has been reset.

We have not made any changes to piwik recently. Our Piwik install is running on an AWS instance behind an Elastic Load Balancer, which has always worked until recently.

Any ideas as to what can be causing this?

Thanks,
Shane