Fatal error: Uncaught Error: Class "moodle_exception" not found in C:\xampp\htdocs\laberit01\html\moodle\backup\util\xml\output\xml_output.class.php:156 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laberit01\html\moodle\backup\util\xml\output\xml_output.class.php on line 156