ACF Condition

Hello,

In a page, I’d like to display the menu if a checkbox is on “Oui” (yes).
I have an error when I publish this code.

<?php
	$values = get_field('menu-site');
	if(in_array("Oui", $values )){
	?>
		<?php
		$menuClass = 'nav';
		if ( 'on' == et_get_option( 'nexus_disable_toptier' ) ) $menuClass .= ' et_disable_top_tier';
		$primaryNav = '';
		$primaryNav = wp_nav_menu( array( 'theme_location' => 'primary-menu', 'container' => '', 'fallback_cb' => '', 'menu_class' => $menuClass, 'menu_id' => 'top-menu', 'echo' => false ) );
		echo( $primaryNav );
		?>
	<?php
	}
	?>

Could you tell me if you see an error in the code please?

Thanks you

https://wordpress.org/plugins/advanced-custom-fields/