CS-Cart flat category tree

Please Help me or Advice me I have just moved from Volusion to Cs-cart and I am now stuck what should I do in this scenario

Here is the Category belonging to Carriers: [url=“http://winnerwireless.us/index.php?dispatch=categories.view&category_id=2885”]http://winnerwireless.us/index.php?dispatch=categories.view&category_id=2885[/url]

And this is the iPhone5 category belonging to Manufacturers: [url=“http://winnerwireless.us/index.php?dispatch=categories.view&category_id=2466”]http://winnerwireless.us/index.php?dispatch=categories.view&category_id=2466[/url]

In Volusion they are the same but in CS-Cart they can’t be the same why cs-cart have flat category tree ?? What should I do how can I resolve this issue I mean I am almost ready to launch my website and this is where I am stuck now :( is there some kind of Mod available or something Please can Help me in this or I am on my own ?

both 404 errors

All of these are categories:

ManufacturerAppleiPhone 5

CarrierAT&TApple iPhone5

Therefore since the iphone5 products are displayed in the 'Manufacturer>Apple>iPhone 5' category, I can only assume the product is not assigned to the other category (Carrier>AT&T>Apple iPhone 5).