Ultimate Member: Make the user profile page restricted for not logged in users with restriction message

functions.php

function um_custom_restriction_settings( $restriction, $post ) {
	if ( ! is_user_logged_in() && um_is_core_post( $post, 'user' ) ) {
		$restriction_meta = get_post_meta( $post->ID, 'um_content_restriction', true );
		if ( $restriction_meta['_um_accessible'] == '2' && $restriction_meta['_um_noaccess_action'] == '0' ) {
			$restriction = $restriction_meta;
		}
	}

	return $restriction;
}
add_filter( 'um_post_content_restriction_settings', 'um_custom_restriction_settings', 10, 2 );