It is not true that when theme is disabled it shouldn't work. It supposed to work exactly the same if BeTheme or any other default theme is active and it doesn't matter which one because for display is responsible only plugin and themes has no impact on it.
Would be great if you can show us on screenshot what exactly doesn't work because we don't understand.
Please send us dashboard access privately thru contact form which is on the right side at http://themeforest.net/user/muffingroup#contact and we will check what might be the reason. Please don’t forget to attach link to current topic so we know what for the access is.
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Would be great if you can show us on screenshot what exactly doesn't work because we don't understand.