Warning: Undefined variable $CFG in C:\xampp\htdocs\moodle\question\type\multianswer\renderer.php on line 28

Warning: Attempt to read property "dirroot" on null in C:\xampp\htdocs\moodle\question\type\multianswer\renderer.php on line 28

Warning: require_once(/question/type/shortanswer/renderer.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\moodle\question\type\multianswer\renderer.php on line 28

Fatal error: Uncaught Error: Failed opening required '/question/type/shortanswer/renderer.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\moodle\question\type\multianswer\renderer.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\moodle\question\type\multianswer\renderer.php on line 28