Upgrade 2.1 to 2.4

I just upgraded one of our asterisk boxes to the newest freepbx and I’m getting a ton of UI issues.

It really appears that the framework is not right. Everything still looks like the older versions and when I do an upgrade everything stays behind the shadowed page. The versions number stays over the logo, but it does say 2.4.0.0

How do I go about fixing this?

Thanks

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