Is a variation order problem
i just solve thanks to someone, i just lost the link
But the problem is in order-controller.php lines 375,376 remplace for this
if(!empty( $item[‘variation_id’] )) {
$_product = new WC_Product_Variation( $item[‘variation_id’] );
} else {
$_product = new WC_Product( $item[‘product_id’] );
}
works form me