I have found below error while using Angular material dialog popup. When I click Add product button the below error is found Blocked aria-hidden on an element because its descendant retained focus. The focus must not be hidden from assistive technology users. Avoid using aria-hidden on a focused element or its ancestor. ... My stackblitz link is https://stackblitz.com/github/reegan2024/mygithubrepo?file=README.md Can someone help on this Continue reading...