Everything duplicated

Hi,

I have a problem with OpenCart 1.5.

When you enter in a category it duplicates subcategories urls and titles. I'm looking to repair this for 2 days.

For example:
https://www.vandanvelope.com/anvelope-iarna-1

H1 is : ANVELOPE IARNA ANVELOPE IARNA
Should be: ANVELOPE IARNA

Title is: Anvelope Iarna Anvelope Iarna - VandAnvelope.com
Should be: Anvelope Iarna - VandAnvelope.com

Subcategory url is: https://www.vandanvelope.com/anvelope-i ... apollo-1-2
Should be: https://www.vandanvelope.com/anvelope-i ... apollo-1-2

Any idea where it duplicates ?
Thanks and waiting for your quick response.

vandanvelope. com/anvelope-iarna-1/anvelope-iarna-1/anvelope-iarna-1/anvelope-iarna-1/apollo-1-2/155-70-r13-1-1

Looks crazy, but you did not specify the Version 1.5.?.?, by use of a Custom Theme,
and did not show us, how and what you have 'set' (in) Category SEO, or if you use any Mods,
doing their work somewhere, related to this breadcrumb problem.
I therefore assume, that you need professional Support, someone has to take a 'deeper' look
Good Luck!
Ernie

Man, this is almost invisible slot problem. It is really hard to fix it. Have you found any information about it?