one or more selections cannot be exported because they are empty in photoshop 2023

Please read this (in particular the section titled "Supply pertinent information for more timely and effective answers”):
https://community.adobe.com/t5/using-the-community/community-how-to-guide-tips-amp-best-practices/td-p/11601738?page=1

@marstore32760433cmq9 I see your headline but what are you trying to do? You currently don't have a selection in your Photoshop file hence the error.