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The component used in the Admin & Host setting pages for things such as choosing the folder you want to upload files to, or selecting a page you want to redirect users to after they register never finished loading.Prior to upgrading to 7.1.2 this feature worked fine, however the new component just shows a Loading icon that never finishes.
I've tested this in Firefox, Chrome, and Safari on a Mac. IE on PC. It doesn't work on any of them.
However, IE did produce a JS error of:
'children.length' is null or not an object