Change messages class to message

app/email_templates/email_template_delete.php

@@ -56,7 +56,7 @@
 	}
 
 //delete the message
-	messages::add($text['message-delete']);
+	message::add($text['message-delete']);
 
 //redirect the user
 	header('Location: email_templates.php');

app/email_templates/email_templates.php

@@ -57,7 +57,7 @@
 				$obj = new email_templates;
 				$obj->delete($email_templates);
 			//delete message
-				messages::add($text['message-delete']);
+				message::add($text['message-delete']);
 		}
 	}