diff --git a/htdocs/fourn/class/paiementfourn.class.php b/htdocs/fourn/class/paiementfourn.class.php
index 02010d1e2e8..8903ff3b66a 100644
--- a/htdocs/fourn/class/paiementfourn.class.php
+++ b/htdocs/fourn/class/paiementfourn.class.php
@@ -203,7 +203,7 @@ class PaiementFourn extends Paiement
 				{
                     // Call trigger
                     $result=$this->call_trigger('PAYMENT_SUPPLIER_CREATE',$user);
-                    if ($result < 0) $error++;          
+                    if ($result < 0) $error++;
                     // End call triggers
 				}
 			}
@@ -255,7 +255,7 @@ class PaiementFourn extends Paiement
 		{
 			if (count($billsarray))
 			{
-				$this->error='Can\'t delete a payment shared by at least one invoice with status payed';
+				$this->error="ErrorCantDeletePaymentSharedWithPayedInvoice";
 				$this->db->rollback();
 				return -1;
 			}
@@ -274,7 +274,7 @@ class PaiementFourn extends Paiement
 			$accline->fetch($bank_line_id);
 			if ($accline->rappro)
 			{
-				$this->error='Impossible de supprimer un paiement qui a genere une ecriture qui a ete rapprochee';
+				$this->error="ErrorCantDeletePaymentReconciliated";
 				$this->db->rollback();
 				return -3;
 			}
diff --git a/htdocs/langs/en_US/errors.lang b/htdocs/langs/en_US/errors.lang
index b874ef58f07..89404614db5 100644
--- a/htdocs/langs/en_US/errors.lang
+++ b/htdocs/langs/en_US/errors.lang
@@ -136,6 +136,8 @@ ErrorBadFormat=Bad format!
 ErrorPaymentDateLowerThanInvoiceDate=Payment date (%s) cant' be before invoice date (%s) for invoice %s. 
 ErrorMemberNotLinkedToAThirpartyLinkOrCreateFirst=Error, this member is not yet linked to any thirdparty. Link member to an existing third party or create a new thirdparty before creating subscription with invoice.
 ErrorThereIsSomeDeliveries=Error, there is some deliveries linked to this shipment. Deletion refused.
+ErrorCantDeletePaymentReconciliated=Can't delete a payment that had generated a bank transaction that was conciliated
+ErrorCantDeletePaymentSharedWithPayedInvoice=Can't delete a payment shared by at least one invoice with status Payed
 
 # Warnings
 WarningMandatorySetupNotComplete=Mandatory setup parameters are not yet defined