Fatal error: Uncaught Error: Class "moodle_exception" not found in C:\xampp\htdocs\laberit01\html\moodle\backup\util\xml\xml_writer.class.php:282 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laberit01\html\moodle\backup\util\xml\xml_writer.class.php on line 282