Package detail page not rendering properly: unsupported time zone error message

Link to the page

https://www.npmjs.com/package/moment-duration-format (or any package detail page)

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Expected behavior

To see the package details page body rendered correctly.

Actual behavior

I see a quick flash of styled content, and then this error appears, replacing the body of the page.

Steps to reproduce the problem

Open Chrome 65 on Ubuntu 16.04
Go to https://www.npmjs.com/package/moment-duration-format

Browser with version

Chrome Version 65.0.3325.162 (Official Build) (64-bit) on Ubuntu 16.04 LTS

Works fine in Firefox for Ubuntu 59.0.1 (64-bit)

Any error message?

raven.min.js:2 RangeError: Unsupported time zone specified undefined
    at new DateTimeFormat (native)
    at Date.toLocaleString (native)
    at ut.value (time.js:14)
    at Ms (react-dom.production.min.js:130)
    at beginWork (react-dom.production.min.js:133)
    at Os (react-dom.production.min.js:161)
    at Is (react-dom.production.min.js:161)
    at Rs (react-dom.production.min.js:162)
    at Ys (react-dom.production.min.js:169)
    at Ks (react-dom.production.min.js:168)
    at Bs (react-dom.production.min.js:167)
    at Hs (react-dom.production.min.js:165)
    at Object.updateContainer (react-dom.production.min.js:175)
    at react-dom.production.min.js:225
    at Object.unbatchedUpdates (react-dom.production.min.js:171)
    at To (react-dom.production.min.js:225)
    at Object.hydrate (react-dom.production.min.js:227)
    at render.js:13
pt.(anonymous function) @ raven.min.js:2
raven.min.js:2 DOMException: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.
    at removeChild (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:95618)
    at Rs (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:39397)
    at commitDeletion (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:41206)
    at Ns (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:45612)
    at Ys (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:51884)
    at Ks (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:51612)
    at Bs (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:50628)
    at Hs (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:49969)
    at Object.updateContainer (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:54645)
    at https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:66991
    at Object.unbatchedUpdates (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:53271)
    at To (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:66960)
    at Object.hydrate (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:97285)
    at https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:34:47817
pt.(anonymous function) @ raven.min.js:2
react-dom.production.min.js:222 Uncaught (in promise) DOMException: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.
    at removeChild (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:95618)
    at Rs (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:39397)
    at commitDeletion (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:41206)
    at Ns (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:45612)
    at Ys (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:51884)
    at Ks (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:51612)
    at Bs (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:50628)
    at Hs (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:49969)
    at Object.updateContainer (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:54645)
    at https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:66991
    at Object.unbatchedUpdates (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:53271)
    at To (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:66960)
    at Object.hydrate (https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:30:97285)
    at https://static.npmjs.com/commons.53c278898e8b04ecf0ef.js:34:47817
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Package detail page not rendering properly: unsupported time zone error message #346