I have an issue that only the page title gets shown, the page contents is not shown.
Changed to a default WP theme and ran a plugin conflict test, and it turns out that MetaBox AIO is the root cause.
MB Views supports some features to override the theme templates. Please go to Meta Box > Views and check if you have a View template that is assigned to the regular page, remove it and see if it helps. https://docs.metabox.io/extensions/mb-views/
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