The emulsion theme is not only compatible with the full site editor, but also has the function as a conventional theme, and you need to select the type in the customizer.
- From Customize, open the Full Site Editor section and you will see the menu below. Theme Default is displayed in the traditional PHP template.
- FSE Transitional uses traditional templates and displays only the main content part in FSE. (If you have a widget in the sidebar, you can display it)
- Full Site Editor replaces the entire template with FSE.
- Experimenntal Mode is an admin bar that allows you to switch between these three modes for each display.
If you cannot change from block editor mode to normal theme mode, deactivate the gutenberg plugin once, display it in normal theme mode, and then activate the plugin again.