diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index ddec39d90d2..4ae9fbf0d5b 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -550,7 +550,7 @@ if ($action == 'send' && ! GETPOST('addfile') && ! GETPOST('removedfile') && ! G
 					$interface=new Interfaces($db);
 					$result=$interface->run_triggers('PROPAL_SENTBYMAIL',$object,$user,$langs,$conf);
 					if ($result < 0) {
-						$error++; $this->errors=$interface->errors;
+						$error++; $object->errors=$interface->errors;
 					}
 					// Fin appel triggers
 
diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 4f00678b514..b2db530a620 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -1785,7 +1785,7 @@ if (($action == 'send' || $action == 'relance') && ! $_POST['addfile'] && ! $_PO
 					$interface=new Interfaces($db);
 					$result=$interface->run_triggers('BILL_SENTBYMAIL',$object,$user,$langs,$conf);
 					if ($result < 0) {
-						$error++; $this->errors=$interface->errors;
+						$error++; $object->errors=$interface->errors;
 					}
 					// Fin appel triggers
 
diff --git a/htdocs/expedition/fiche.php b/htdocs/expedition/fiche.php
index 6d566337e10..4743ad5f25b 100644
--- a/htdocs/expedition/fiche.php
+++ b/htdocs/expedition/fiche.php
@@ -456,7 +456,7 @@ if ($action == 'send' && ! GETPOST('addfile','alpha') && ! GETPOST('removedfile'
                         $interface=new Interfaces($db);
                         $result=$interface->run_triggers('SHIPPING_SENTBYMAIL',$object,$user,$langs,$conf);
                         if ($result < 0) {
-                            $error++; $this->errors=$interface->errors;
+                            $error++; $object->errors=$interface->errors;
                         }
                         // Fin appel triggers
 
diff --git a/htdocs/fichinter/fiche.php b/htdocs/fichinter/fiche.php
index 21ccb1f2649..b48950267fb 100644
--- a/htdocs/fichinter/fiche.php
+++ b/htdocs/fichinter/fiche.php
@@ -736,7 +736,7 @@ if ($action == 'send' && ! GETPOST('cancel','alpha') && (empty($conf->global->MA
 				$interface=new Interfaces($db);
 				$result=$interface->run_triggers('FICHINTER_SENTBYMAIL',$object,$user,$langs,$conf);
 				if ($result < 0) {
-					$error++; $this->errors=$interface->errors;
+					$error++; $object->errors=$interface->errors;
 				}
 				// Fin appel triggers
 
diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index 62022c7e5e4..8ea921d094b 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -881,7 +881,7 @@ if ($action == 'send' && ! $_POST['addfile'] && ! $_POST['removedfile'] && ! $_P
                         $interface=new Interfaces($db);
                         $result=$interface->run_triggers('BILL_SUPPLIER_SENTBYMAIL',$object,$user,$langs,$conf);
                         if ($result < 0) {
-                            $error++; $this->errors=$interface->errors;
+                            $error++; $object->errors=$interface->errors;
                         }
                         // Fin appel triggers
 
diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index e1fae9fe46a..e58ff47a9b1 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -2870,7 +2870,7 @@ class Societe extends CommonObject
 
 			// Set outstanding amount
 			$sql = "UPDATE ".MAIN_DB_PREFIX."societe SET ";
-			$sql.= " outstanding_limit= ".($outstanding!=''?$outstanding:'null');
+			$sql.= " outstanding_limit= '".($outstanding!=''?$outstanding:'null')."'";
 			$sql.= " WHERE rowid = ".$this->id;
 
 			dol_syslog(get_class($this)."::set_outstanding sql=".$sql);
diff --git a/htdocs/societe/soc.php b/htdocs/societe/soc.php
index 149cec123e8..fad70d5bd2e 100644
--- a/htdocs/societe/soc.php
+++ b/htdocs/societe/soc.php
@@ -414,12 +414,12 @@ if (empty($reshook))
 
                 	$sql = "UPDATE ".MAIN_DB_PREFIX."adherent";
                 	$sql.= " SET fk_soc = NULL WHERE fk_soc = " . $id;
-                	dol_syslog(get_class($this)."::delete sql=".$sql, LOG_DEBUG);
-                	if (! $this->db->query($sql))
+                	dol_syslog(get_class($object)."::delete sql=".$sql, LOG_DEBUG);
+                	if (! $object->db->query($sql))
                 	{
                 		$error++;
-                		$this->error .= $this->db->lasterror();
-                		dol_syslog(get_class($this)."::delete erreur -1 ".$this->error, LOG_ERR);
+                		$object->error .= $object->db->lasterror();
+                		dol_syslog(get_class($object)."::delete erreur -1 ".$object->error, LOG_ERR);
                 	}
                 }