Problem with related products link on product detail page

[venusdsh]

Hi everyone, 

i have an issue with updating Related products links (ALTE RECOMANDARI) from product detail page (product page) after i modify the link structure "Friendly URL".

Below some example:
Product page: https://venusdsh.ro/coturi-evacuare/8380-cot-cret-emailat-130-mm-mt.html
My issue: 

The url from the slider (ex. first position "COT CRET,TN - 120 MM (ALC)") is an old one. It must be like this: https://venusdsh.ro/coturi-evacuare/2580-cot-cret-tn-120-mm-alc.html

Can you help me? Thank you in advance.

P.S.: I'm using PS 1.6.1.11