Hello, please help. I was beginner. What is wrong ? Android Studio 3.6.3,Kotlin 1.3.7.2, I've tried Refactor-Migrate-it Androidx, Clean Project, Rebuild Project, InvalidateCache / Restart multiple times it didn't help. https://pastebin.com/byj01tJe https://pastebin.com/bpVPuj72 https://pastebin.com/da2LePiK Error here: https://pastebin.com/uNi5EXFT https://pastebin.com/55x0xiFA Thanks

Looks like you still use regular ConstraintLayouts

Ok,Thanks i look at it