Tracking members in affiliate link

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I’m trying to track members in my affiliate links, I use a program which enables this feature in using ‘EPI’, more info here: Get started with EPI | Adtraction Help Center

Now when clicking on my affiliate link or (button2) the link doesn’t change to contain the EPIs, something that it did before something went wrong.

I don’t understand what’s wrong with my code and I would appreciate it if somebody could give me some insight on why it doesn’t work.

import wixUsers from 'wix-users';
import { currentMember } from 'wix-members';
import wixLocation from 'wix-location';
var org
var name;

$w.onReady(function () {
    let userId = wixUsers.currentUser.id
    console.log(userId);

    $w('#repeater2').onItemReady(($item, itemData, index) => {
        currentMember.getMember()
            .then((member) => {
                const id = member._id;
                org = member.contactDetails.customFields["custom.member-organisation-id"].value
                name = member.contactDetails.firstName
                $item('#button2').link = ` ${itemData.adtractionUrl}&epi=${userId}&epi2=${name}&epi3=${org}&epi4=${member.loginEmail}`
                console.log($item('#button2').link);
            })
            .catch((error) => {
                console.error(error);
            });
        // $item('#button2').link = itemData.adtractionUrl + '&epi=' + userId + '&epi2=' + name + '&epi3=' + org

        // $item('#button2').onClick(() => {
        //     var link = itemData.adtractionUrl + '&epi=' + userId + '&epi2=' + name + '&epi3=' + org
        //     if (name) {
        //         wixLocation.to(link)
        //     }
        // })
    })


});