30 of 30 presets could not be imported because they are either duplicate or invalid

Thread moved from Lightroom Classic to Lightroom ecosystem

You've posted in the Lightroom Classic forum, but your screenshot shows Lightroom Mobile.  You'll get better help if you repost in the Lightroom Ecosystem forum: 

https://community.adobe.com/t5/lightroom-ecosystem-cloud-based/ct-p/ct-lightroom?page=1&sort=latest_replies&lang=all&tabid=all

Or you can wait for a moderator to move your post.  (Thank Adobe marketers for the confusing product naming.)