Problem with HexSys Youtube Video Plugin for Virtuemart

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Hi,
I purchase last year the HexSys Youtube Video Plugin for Virtuemart, now I'm trying to insert new video from you tube in a new product, but it dosen't work.
This is the video link: an this is the link to my page where the video dosen't work:
www.mbaoutletbike.it/categorie/ebike/obree-detail.html
I have other video published moth ago, and the still be played cerrectly.
Thank for yours suggetions.
Best r gds
Nicola