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We are using 2010.2.713. We are using a couple of server side grids, which are rendering okay. However, I am now trying to add filtering, sorting and grouping to the grid. In IE, when I go to the page, even with those 3 features turned off I am getting a javascript error. So just to be clear, the problem doesn't seem to be caused by those 3 features, but I think the errors may be preventing the functionality of the features that I need to add. See errors below: