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Warning: Attempt to read property "dirroot" on null in C:\Apache24\htdocs\moodle\question\classes\output\question_version_selection.php on line 24

Warning: require_once(/question/engine/bank.php): Failed to open stream: No such file or directory in C:\Apache24\htdocs\moodle\question\classes\output\question_version_selection.php on line 24

Fatal error: Uncaught Error: Failed opening required '/question/engine/bank.php' (include_path='.;C:\php\pear') in C:\Apache24\htdocs\moodle\question\classes\output\question_version_selection.php:24 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\question\classes\output\question_version_selection.php on line 24