tabs for the plugin and errors

After the update to https://decking.ro/, nothing happens after I click on the various tabs for the plugin (Location, Checkout, Design, etc) and I cannot access any of the tabs. The link populates in the address bar but the tab stays on “General”. I have checked https link and it is fine for https://decking.ro/

And another problem, by default visible price need to be LEI , but plugin display native currency euro, it’s work only in cart and chekout. I need for all guest and login users to see de currency in lei, not euro.

Please help. In console show:

JQMIGRATE: Migrate is installed, version 3.3.2
jquery.min.js?ver=3.5.1:2 jQuery.Deferred exception: $(…).vi_accordion is not a function TypeError: $(…).vi_accordion is not a function
at HTMLDocument. (https://decking.ro/wp-content/plugins/woocommerce-multi-currency/js/woocommerce-multi-currency-admin.js?ver=2.1.11:4:27)
at e (https://decking.ro/wp-includes/js/jquery/jquery.min.js?ver=3.5.1:2:30005)
at t (https://decking.ro/wp-includes/js/jquery/jquery.min.js?ver=3.5.1:2:30307) undefined
S.Deferred.exceptionHook @ jquery.min.js?ver=3.5.1:2
jquery.min.js?ver=3.5.1:2 Uncaught TypeError: $(…).vi_accordion is not a function
at HTMLDocument. (woocommerce-multi-currency-admin.js:4)
at e (jquery.min.js?ver=3.5.1:2)
at t (jquery.min.js?ver=3.5.1:2)