diff --git a/ChangeLog b/ChangeLog
index f3deea312b8..a27cadfbb1d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,9 @@ Fix: [ bug #1443 ] Payment conditions is erased after editing supplier invoice l
 Fix: Filter on status was not visible when selected from url.
 Fix: Filtering on status was last when asking to sort.
 Fix: [ bug #1432 ] Trigger SHIPPING_CREATE ignores interception on error
+Fix: [ bug #1449 ] Trigger ORDER_CREATE, LINEORDER_DELETE, LINEORDER_UPDATE and LINEORDER_INSERT ignore interception on error
+Fix: [ bug #1450 ] Several Customer order's triggers do not report the error from the trigger handler
+Fix: [ bug #1451 ] Interrupted order clone through trigger, loads nonexistent order
 
 ***** ChangeLog for 3.5.3 compared to 3.5.2 *****
 Fix: Error on field accountancy code for export profile of invoices.
diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index b96ea931f21..199b6500184 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -452,8 +452,13 @@ class Commande extends CommonOrder
         }
         else
         {
-            $this->db->rollback();
-            return -1;
+	        foreach($this->errors as $errmsg)
+	        {
+		        dol_syslog(get_class($this)."::set_reopen ".$errmsg, LOG_ERR);
+		        $this->error.=($this->error?', '.$errmsg:$errmsg);
+	        }
+	        $this->db->rollback();
+	        return -1*$error;
         }
     }
 
@@ -579,8 +584,14 @@ class Commande extends CommonOrder
 			else
 			{
 				$this->error=$mouvP->error;
+
+				foreach($this->errors as $errmsg)
+				{
+					dol_syslog(get_class($this)."::cancel ".$errmsg, LOG_ERR);
+					$this->error.=($this->error?', '.$errmsg:$errmsg);
+				}
 				$this->db->rollback();
-				return -1;
+				return -1*$error;
 			}
 		}
 		else
@@ -795,8 +806,19 @@ class Commande extends CommonOrder
                         // Fin appel triggers
                     }
 
-                    $this->db->commit();
-                    return $this->id;
+	                if (!$error) {
+		                $this->db->commit();
+		                return $this->id;
+	                }
+
+	                foreach($this->errors as $errmsg)
+	                {
+		                dol_syslog(get_class($this)."::create ".$errmsg, LOG_ERR);
+		                $this->error.=($this->error?', '.$errmsg:$errmsg);
+	                }
+	                $this->db->rollback();
+	                return -1*$error;
+
                 }
                 else
                 {
@@ -1770,7 +1792,7 @@ class Commande extends CommonOrder
                     else
                     {
                         $this->db->rollback();
-                        $this->error=$this->db->lasterror();
+                        $this->error=$line->error;
                         return -1;
                     }
                 }
@@ -2204,9 +2226,14 @@ class Commande extends CommonOrder
 			else
 			{
 				$this->error=$this->db->error();
-				dol_syslog(get_class($this)."::classifyBilled ".$this->error, LOG_ERR);
+
+				foreach($this->errors as $errmsg)
+				{
+					dol_syslog(get_class($this)."::classifyBilled ".$errmsg, LOG_ERR);
+					$this->error.=($this->error?', '.$errmsg:$errmsg);
+				}
 				$this->db->rollback();
-				return -2;
+				return -1*$error;
 			}
 		}
 		else
@@ -2372,11 +2399,10 @@ class Commande extends CommonOrder
             }
             else
             {
-                $this->error=$this->db->lasterror();
-        		$this->errors=array($this->db->lasterror());
-                $this->db->rollback();
-                dol_syslog(get_class($this)."::updateline Error=".$this->error, LOG_ERR);
-                return -1;
+	            $this->error=$this->line->error;
+
+	            $this->db->rollback();
+	            return -1;
             }
         }
         else
@@ -2494,9 +2520,13 @@ class Commande extends CommonOrder
         else
         {
             $this->error=$this->db->lasterror();
-            dol_syslog(get_class($this)."::delete ".$this->error, LOG_ERR);
-            $this->db->rollback();
-            return -1;
+	        foreach($this->errors as $errmsg)
+	        {
+		        dol_syslog(get_class($this)."::delete ".$errmsg, LOG_ERR);
+		        $this->error.=($this->error?', '.$errmsg:$errmsg);
+	        }
+	        $this->db->rollback();
+	        return -1*$error;
         }
     }
 
@@ -3129,6 +3159,8 @@ class OrderLine extends CommonOrderLine
 
 		$error=0;
 
+	    $this->db->begin();
+
         $sql = 'DELETE FROM '.MAIN_DB_PREFIX."commandedet WHERE rowid='".$this->rowid."';";
 
         dol_syslog("OrderLine::delete sql=".$sql);
@@ -3154,7 +3186,18 @@ class OrderLine extends CommonOrderLine
             if ($result < 0) { $error++; $this->errors=$interface->errors; }
             // Fin appel triggers
 
-            return 1;
+	        if (!$error) {
+		        $this->db->commit();
+		        return 1;
+	        }
+
+	        foreach($this->errors as $errmsg)
+	        {
+		        dol_syslog(get_class($this)."::delete ".$errmsg, LOG_ERR);
+		        $this->error.=($this->error?', '.$errmsg:$errmsg);
+	        }
+	        $this->db->rollback();
+	        return -1*$error;
         }
         else
         {
@@ -3270,8 +3313,18 @@ class OrderLine extends CommonOrderLine
                 // Fin appel triggers
             }
 
-            $this->db->commit();
-            return 1;
+	        if (!$error) {
+		        $this->db->commit();
+		        return 1;
+	        }
+
+	        foreach($this->errors as $errmsg)
+	        {
+		        dol_syslog(get_class($this)."::delete ".$errmsg, LOG_ERR);
+		        $this->error.=($this->error?', '.$errmsg:$errmsg);
+	        }
+	        $this->db->rollback();
+	        return -1*$error;
         }
         else
         {
@@ -3378,8 +3431,18 @@ class OrderLine extends CommonOrderLine
 				// Fin appel triggers
 			}
 
-			$this->db->commit();
-			return 1;
+			if (!$error) {
+				$this->db->commit();
+				return 1;
+			}
+
+			foreach($this->errors as $errmsg)
+			{
+				dol_syslog(get_class($this)."::update ".$errmsg, LOG_ERR);
+				$this->error.=($this->error?', '.$errmsg:$errmsg);
+			}
+			$this->db->rollback();
+			return -1*$error;
 		}
 		else
 		{
diff --git a/htdocs/commande/fiche.php b/htdocs/commande/fiche.php
index c1a6d38a58a..6630477d740 100644
--- a/htdocs/commande/fiche.php
+++ b/htdocs/commande/fiche.php
@@ -112,6 +112,9 @@ if ($action == 'confirm_clone' && $confirm == 'yes' && $user->rights->commande->
 	{
 		if ($object->id > 0)
 		{
+			//Because createFromClone modifies the object, we must clone it so that we can restore it later
+			$orig = clone $object;
+
 			$result=$object->createFromClone($socid);
 			if ($result > 0)
 			{
@@ -120,7 +123,8 @@ if ($action == 'confirm_clone' && $confirm == 'yes' && $user->rights->commande->
 			}
 			else
 			{
-				$mesg='<div class="error">'.$object->error.'</div>';
+				setEventMessage($object->error, 'errors');
+				$object = $orig;
 				$action='';
 			}
 		}
@@ -140,7 +144,7 @@ else if ($action == 'reopen' && $user->rights->commande->creer)
 		}
 		else
 		{
-			$mesg='<div class="error">'.$object->error.'</div>';
+			setEventMessage($object->error, 'errors');
 		}
 	}
 }
@@ -154,9 +158,8 @@ else if ($action == 'confirm_delete' && $confirm == 'yes' && $user->rights->comm
 		header('Location: index.php');
 		exit;
 	}
-	else
-	{
-		$mesg='<div class="error">'.$object->error.'</div>';
+	else {
+		setEventMessage($object->error, 'errors');
 	}
 }
 
@@ -187,7 +190,7 @@ else if ($action == 'confirm_deleteline' && $confirm == 'yes' && $user->rights->
 	}
 	else
 	{
-		$mesg='<div class="error">'.$object->error.'</div>';
+		setEventMessage($object->error, 'errors');
 	}
 }
 
@@ -445,6 +448,10 @@ else if ($action == 'add' && $user->rights->commande->creer)
 else if ($action == 'classifybilled' && $user->rights->commande->creer)
 {
 	$ret=$object->classifyBilled();
+
+	if ($ret < 0) {
+		setEventMessage($object->error, 'errors');
+	}
 }
 
 // Positionne ref commande client
@@ -1076,7 +1083,9 @@ else if ($action == 'confirm_modif' && $user->rights->commande->creer)
 else if ($action == 'confirm_shipped' && $confirm == 'yes' && $user->rights->commande->cloturer)
 {
 	$result = $object->cloture($user);
-	if ($result < 0) $mesgs=$object->errors;
+	if ($result < 0) {
+		setEventMessage($object->error, 'errors');
+	}
 }
 
 else if ($action == 'confirm_cancel' && $confirm == 'yes' && $user->rights->commande->valider)
@@ -1097,6 +1106,10 @@ else if ($action == 'confirm_cancel' && $confirm == 'yes' && $user->rights->comm
 	if (! $error)
 	{
 		$result = $object->cancel($idwarehouse);
+
+		if ($result < 0) {
+			setEventMessage($object->error, 'errors');
+		}
 	}
 }