FAQ SCHEMA

i solved it was a plugin

@guidopanzeri If you are having difficulty with Google not showing structured data that you are expecting to see, we would first recommend checking the Rich results status report in Google Search Console to see whether Google is reading the structured data correctly. You can find more information on this here: https://support.google.com/webmasters/answer/7552505

Also, you can find additional recommendations from Google on how to best monitor your site’s structured data in Search Console here: https://webmasters.googleblog.com/2019/05/monitoring-structured-data-with-search-console.html