ie 9 paper elements not working properly

[shailesh17mar]

I know you guys do not support ie 9 officially but, I need to get it working on ie 9 as well. Most of the elements work but, checkbox, radio button and some other elements do not work properly.

i am getting this error for every other element
"Unable to set property 'wrapper8e3dd93a60' of undefined or null reference"

Can you guide me what is the conceptual problem behind this so, that I may try to sort out this issue.

[mmgmoh]

It is very sad to see it not working on IE 9. I spent a week writing a nice Polymer based web interface to find that they are using IE9 at my workplace. I get the same exact error...