Property Listing Layout jquery error

Good day, any kind of property list i try to public on my website can't load thumb images just lazy load animation.
Browser inspection reports: Uncaught Reference Error: jQuery is not defined at noconflict.js:4
How can it be fixed?

URL: operazioneimmobiliare.net
CMS: Joomla 4.3.4
PHP: 8.1.21
DataBase: MySQL 10.6.14
Template: Gantry Helium 5.5.16

Hi Paolo,
You can submit ticket on category: OS Property and provide super admin account. I will check this issue for you
Thanks
Dam