Does your core-list have a scrollTarget set? If you're using core-pages for
your tabs, you should set that as the core-list's scrolltarget.

Something like <core-list scrollTarget="{{$.idOfScrollTarget}}" should fix
your issue.

On Mon, Dec 1, 2014 at 7:29 PM, Viktor Kojouharov <[email protected]>
wrote:

> Hi,
>
> I'm running into an error when my app loads, but the tab is not actually
> in focus. Core list throws this error:
>  Uncaught TypeError: Cannot set property 'model' of undefined
> And then this one, though it might be as a result of the previous one:
>  Uncaught TypeError: Cannot read property '_translateY' of undefined
>
> I sort of recall that polymer now doesn't do any worn when the tab is not
> in focus, so my question is, what's the proper way to make sure that
> populating the list won't throw errors?
>
> Follow Polymer on Google+: plus.google.com/107187849809354688692
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-- 
AJ Ortega | Software Engineer | [email protected] | 626-872-5064

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