I can't use Switch to the dynamic Bootstrap UI

I have deployed the website to an Ubuntu 22.04 server via a Tomcat9 server
then i run the command

./gradlew load addRuntime

but when click “Switch to the dynamic Bootstrap UI” then error 404

Hi,
Check out this post ==> https://forum.moqui.org/t/how-to-properly-configure-moqui-on-the-server/683/2

Thank you so much! Have a nice day!