does phpBB / phpBB Forums support altervista ads?

I am trying to add Altervista ads but they arent working
https://www.hewan.org/

Code:

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<script>!function(d,l,e,s,c){e=d.createElement("script");e.src="//en.ad.altervista.org/js.ad/size=728X90/?ref="+encodeURIComponent(l.hostname+l.pathname)+"&r="+Date.now();s=d.scripts;c=d.currentScript||s[s.length-1];c.parentNode.insertBefore(e,c)}(document,location)</script>

---

There's a blank white space but ads arent displaying.
I tried doing this method:
https://www.phpbb.com/community/view...f=64&t=2417316
I've tried adding it into the /forum/styles/prosilver/template/overall_header.html file too
https://i.imgur.com/vxz3NkW.png
https://i.imgur.com/OQsoQfN.png

Banners need a CMP TCFv2 privacy policy. You can use Iubenda for free.

Bye!