diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 2c31c413e7a..5d4654807fb 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -586,7 +586,7 @@ class Commande extends CommonOrder
 						$result = $mouvP->livraison($user, $this->lines[$i]->fk_product, $idwarehouse, $this->lines[$i]->qty, $this->lines[$i]->subprice, $langs->trans("OrderValidatedInDolibarr", $num));
 						if ($result < 0) {
 							$error++;
-							$this->error = $mouvP->error;
+							$this->setErrorsFromObject($mouvP);
 						}
 					}
 					if ($error) {
@@ -721,7 +721,7 @@ class Commande extends CommonOrder
 						$result = $mouvP->reception($user, $this->lines[$i]->fk_product, $idwarehouse, $this->lines[$i]->qty, 0, $langs->trans("OrderBackToDraftInDolibarr", $this->ref));
 						if ($result < 0) {
 							$error++;
-							$this->error = $mouvP->error;
+							$this->setErrorsFromObject($mouvP);
 							break;
 						}
 					}
@@ -1861,7 +1861,7 @@ class Commande extends CommonOrder
 					return -1;
 				}
 			} else {
-				$this->error = $this->line->error;
+				$this->setErrorsFromObject($this->line);
 				dol_syslog(get_class($this)."::addline error=".$this->error, LOG_ERR);
 				$this->db->rollback();
 				return -2;
@@ -2184,8 +2184,7 @@ class Commande extends CommonOrder
 					return -1;
 				}
 			} else {
-				$this->error = $line->error;
-				$this->errors = $line->errors;
+				$this->setErrorsFromObject($line);
 				$this->db->rollback();
 				return -2;
 			}
@@ -2522,7 +2521,7 @@ class Commande extends CommonOrder
 				}
 			} else {
 				$this->db->rollback();
-				$this->error = $line->error;
+				$this->setErrorsFromObject($line);
 				return -1;
 			}
 		} else {
@@ -3350,7 +3349,7 @@ class Commande extends CommonOrder
 				$this->db->commit();
 				return $result;
 			} else {
-				$this->error = $this->line->error;
+				$this->setErrorsFromObject($this->line);
 
 				$this->db->rollback();
 				return -1;
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 928eb01835f..50c4366bac7 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -3737,8 +3737,7 @@ class Facture extends CommonInvoice
 							$result = $mouvP->reception($user, $this->lines[$i]->fk_product, $idwarehouse, $this->lines[$i]->qty, 0, $langs->trans("InvoiceValidatedInDolibarr", $num), '', '', $this->lines[$i]->batch);
 							if ($result < 0) {
 								$error++;
-								$this->error = $mouvP->error;
-								$this->errors = array_merge($this->errors, $mouvP->errors);
+								$this->setErrorsFromObject($mouvP);
 							}
 						} else {
 							// TODO If warehouseid has been set into invoice line, we should use this value in priority
@@ -3790,8 +3789,7 @@ class Facture extends CommonInvoice
 											$result = $mouvP->livraison($user, $productStatic->id, $idwarehouse, $product_batch_qty, $this->lines[$i]->subprice, $langs->trans('InvoiceValidatedInDolibarr', $num), '', '', '', $batch->batch);
 											if ($result < 0) {
 												$error++;
-												$this->error = $mouvP->error;
-												$this->errors = array_merge($this->errors, $mouvP->errors);
+												$this->setErrorsFromObject($mouvP);
 												break;
 											}
 
@@ -3815,8 +3813,7 @@ class Facture extends CommonInvoice
 												$result = $mouvP->livraison($user, $productStatic->id, $idwarehouse, $product_qty_remain, $this->lines[$i]->subprice, $langs->trans('InvoiceValidatedInDolibarr', $num), '', '', '', $batch->batch);
 												if ($result < 0) {
 													$error++;
-													$this->error = $mouvP->error;
-													$this->errors = array_merge($this->errors, $mouvP->errors);
+													$this->setErrorsFromObject($mouvP);
 												}
 											}
 										}
@@ -3828,8 +3825,7 @@ class Facture extends CommonInvoice
 								$result = $mouvP->livraison($user, $this->lines[$i]->fk_product, $idwarehouse, $this->lines[$i]->qty, $this->lines[$i]->subprice, $langs->trans("InvoiceValidatedInDolibarr", $num));
 								if ($result < 0) {
 									$error++;
-									$this->error = $mouvP->error;
-									$this->errors = array_merge($this->errors, $mouvP->errors);
+									$this->setErrorsFromObject($mouvP);
 								}
 							}
 						}
diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index 2279ccc3f97..3a8186043ed 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -431,8 +431,7 @@ class Contrat extends CommonObject
 				$result = $contratline->active_line($user, $date_start, !empty($date_end) ? $date_end : -1, $comment);	// This call trigger LINECONTRACT_ACTIVATE
 				if ($result < 0) {
 					$error++;
-					$this->error = $contratline->error;
-					$this->errors = $contratline->errors;
+					$this->setErrorsFromObject($contratline);
 					break;
 				}
 			}
@@ -1642,8 +1641,7 @@ class Contrat extends CommonObject
 				$contractline->id = $contractlineid;
 				$result = $contractline->insertExtraFields();
 				if ($result < 0) {
-					$this->errors = array_merge($this->errors, $contractline->errors);
-					$this->error = $contractline->error;
+					$this->setErrorsFromObject($contractline);
 					$error++;
 				}
 
@@ -2680,8 +2678,7 @@ class Contrat extends CommonObject
 				$result = $clonedObj->addline($line->description, $line->subprice, $line->qty, $line->tva_tx, $line->localtax1_tx, $line->localtax2_tx, $line->fk_product, $line->remise_percent, $line->date_start, $line->date_cloture, 'HT', 0, $line->info_bits, $line->fk_fournprice, $line->pa_ht, $line->array_options, $line->fk_unit, $line->rang);
 				if ($result < 0) {
 					$error++;
-					$this->error = $clonedObj->error;
-					$this->errors[] = $clonedObj->error;
+					$this->setErrorsFromObject($clonedObj);
 				}
 			}
 		}
diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 47a94e3a0de..0faebc0ef09 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -1926,10 +1926,7 @@ class FactureFournisseur extends CommonInvoice
 							$result = $mouvP->reception($user, $this->lines[$i]->fk_product, $idwarehouse, $this->lines[$i]->qty, $up_ht_disc, $langs->trans("InvoiceValidatedInDolibarr", $num));
 						}
 						if ($result < 0) {
-							$this->error = $mouvP->error;
-							if (count($mouvP->errors)) {
-								$this->errors = $mouvP->errors;
-							}
+							$this->setErrorsFromObject($mouvP);
 							return -2;
 						}
 					}