Error when loading Analytics or Standards Navigator with Firefox

If when loading the Analytics or Standards Navigator page you get the following error (Unexpected Error: NS_Error_Failure):

You are almost certainly using Mozila Firefox to access B Analytics. Unfortunately, Firefox is not supported at this time. We recommend you use Google Chrome, but may alternatively use Internet Explorer, Safari or a number of other browsers.

We're hoping to roll out Firefox support in a future update.

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