Error adding subcategories

[bombastik]

Hello! I really need help. When you add a sub-category of goods, "Прикормки, насадки, ароматизаторы" an error! Please help to fix this bug.
http://osminog-vrn.ru/index.php/v-magazin/prikormki-nasadki-aromatizatory

  virtuemart 2.0.24
Joomla! 2.5.16

[bombastik]

Joomla 2.5.16
Virtuemart 2.0.24
Template OmegaTheme
There is a problem with the display subcategories when you go to a category page.
Namely: it is a top-level category and 2 nested sub-category.
When you come to the page the top category, you obtain the errorvg.
Further, while clicking each subcategory is already correct display of the page with the goods.
But if you add in the top-level category for a specific product, it is already correct display: top subcategories below the goods, all in the right way.
Where needs fixing up, help me, please! The entire Internet studied!
Template OmegaTheme installed on Quickstart together with Virtuemart 2.0.22, then I updated to 2.0.24.

[attachment cleanup by admin]

[Maxim Pishnyak]

Template OmegaTheme ...

Google developer web site.