Shortcode %tag% for metatitles not working

Hi, shortcode for %tag% in meta title of tags is not showing in my wordpress site.
Hi’ve defined this schema for tags like this (attached image):
https://i.ibb.co/9hR5dXj/Captura.png

But in frontend any meta title is showing correctly:
https://i.ibb.co/8YwqjfM/Captura.png

Why this?

I dont have <title> tag defined in wp-header.php.
I’ve check Rewrite Titles in Rank Math config.

Thanks!