Uncaught TypeError: Illegal invocation

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Ashley Oakes

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Apr 17, 2015, 8:09:54 AM4/17/15

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Hi there

We are currently running polymer 0.4.2. and all of a sudden, all the machines running this have started to fail with a blank screen. I am getting the following error in the console: Uncaught TypeError: Illegal invocation in polymer.concat.js. I am using Chrome version 42.

I've tried in Firefox and Safari as well and I get the following error: TypeError: undefined is not an object (evaluating 'n(this).id') in SVGElementInstance.js.

We suspect that there might have been breaking changes in the recent upgrades that is causing 0.4.2 to fail now.