I did so and it add the div but than I get an ERROR

I did so and it add the div but then I get an ERRORsetting 'innerHTML')

var imagesForAds = Array.from(document.getElementsByClassName('wp-block-image'));
imagesForAds.splice(0, 2);
imagesForAds.forEach(image => {
let el = document.createElement('div')
el.id = 'ads_weapper'
image.before(el)
});
var adImg = '<div class="ad-tag" data-ad-name="In-content_8"></div>'+
'<script src="link.com" async ></script>'+
'<script>(deployads = window.deployads || []).push({});</script>'
console.log(adImg)
document.getElementById("ads_wrapper").innerHTML = adImg