TypeError: Cannot read property 'description' of undefined

[patrickhulce]

from sentry: https://sentry.io/google-lighthouse/lighthouse/issues/408418142/

on URL http://www.efaxcorporate.com/

TypeError: Cannot read property 'description' of undefined
  File "/usr/lib/node_modules/lighthouse/lighthouse-core/audits/errors-in-console.js", line 52, col 56, in runtimeExceptions.filter.map.entry
    description: entry.exceptionDetails.exception.description,
  ?, in Array.map
  File "/usr/lib/node_modules/lighthouse/lighthouse-core/audits/errors-in-console.js", line 49, col 8, in Function.audit
    .map(entry => {
  File "/usr/lib/node_modules/lighthouse/lighthouse-core/runner.js", line 227, col 20, in Promise.resolve.then._
    return audit.audit(artifacts);
  File "internal/process/next_tick.js", line 135, col 7, in process._tickDomainCallback