Accordion not working after updating from 3.4.1 to 3.9.1

My accordions stopped working here: https://c2servicesfinanciers.com/assurance-collective/

Here’s the shortcode I use:

[jaccordion size=”small” theme=”overcast” active=”1″]
Some title::

Some text

[jacc/]
Some title::

Some text

[/jaccordion]

Is it a jQuery loading order issue?

Can you please help me, my client will go berserk ??

https://www.ads-software.com/plugins/j-shortcodes/