Unable to change Due By date

Unable to change Due By date

I installed SP12 this week and just noticed that after entering a request, I am unable to change the Due By field. I try to edit the request and click on the calendar next to the Due By field and nothing happens. Will this be fixed in the upgrade due out next week? Or am I doing something wrong, before the SP12 install, I was able to change the Due By date with no problem.

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