diff --git a/htdocs/commande/card.php b/htdocs/commande/card.php
index 17ade08b776..c6ebb04eb03 100644
--- a/htdocs/commande/card.php
+++ b/htdocs/commande/card.php
@@ -1402,6 +1402,8 @@ if (empty($reshook)) {
 
 					$object->generateDocument($model, $outputlangs, $hidedetails, $hidedesc, $hideref);
 				}
+			} else {
+				setEventMessages($object->error, $object->errors, 'errors');
 			}
 		}
 	} elseif ($action == 'confirm_shipped' && $confirm == 'yes' && $usercanclose) {