Fails to load with MetaMask 4.10.0

[freeatnet]

Steps to reproduce:

1. Set up a browser with MetaMask 4.10.0
2. Visit forkdelta.app

Expected: Everything loads ok.
Actual: Interface hangs in loading state, "Could not load config" error in console.

Logs:

DOMException: Failed to execute 'postMessage' on 'Window': function() {
                                    for (var u = {}, a = [], i = 0, l = this.length; i < l; ++i)
 ...<omitted>... } could not be cloned.
    at i._write (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:113048)
    at v (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:131903)
    at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:135015
    at i.g.write (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:135042)
    at e.exports.y (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:124283)
    at chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:35213
    at e.exports.a.emit (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:35283)
    at w (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:119122)
    at _ (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:118937)
    at e.exports.b.push (chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/inpage.js:1:119748)
main-unminified.js:126469 Uncaught Error: Could not load config
    at Request._callback (main-unminified.js:126469)
    at Request.self._callback.self.callback.self.callback (main-unminified.js:85572)
    at Request.EventEmitter.emit (main-unminified.js:143056)
    at Request.<anonymous> (main-unminified.js:86324)
    at Request.EventEmitter.emit (main-unminified.js:143053)
    at exports.IncomingMessage.<anonymous> (main-unminified.js:86246)
    at exports.IncomingMessage.g (main-unminified.js:143110)
    at exports.IncomingMessage.EventEmitter.emit (main-unminified.js:143070)
    at endReadableNT (main-unminified.js:150281)
    at main-unminified.js:149041