Thank you @ahmadnasriya and @russian-dima ! I adapted what Ahmad said, and this is my working code:
wixData.queryReferenced("EffectsCategories", id, "newField", options) .then( (results) => {
$w('#repeater1').data = results.items;
$w('#repeater2').data = results.items;
console.log(results)
})
$w("#repeater1").onItemReady( ($item, itemData, index) => {
$item("#text66").text = itemData.title
$item("#image15").src = itemData.image
$item('#text67').text = itemData.seoDescription
$item('#button21').link = itemData.url
$item("#container2").onClick( (event) => {
wixLocation.to(itemData['link-effects-title'])
Thanks for all your help!!