Can you recreate the poll and then submit?
I am not sure why you would be receiving this message, but please try to resubmit the poll and seeing if that works.
It appears that this poll has been accepted.
Can you please send a screen shot of what the issue looks like from your end? You can send it to email@example.com
The issue has to do with the version of Internet Explorer you are using. An immediate fix would be to update your IE version to the current release. You can do so here: http://windows.microsoft.com/en-us/internet-explorer/download-ie