Warning: require_once(C:\xampp\htdocs\extensions\Math\maintenance/../../../maintenance/Maintenance.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\extensions\Math\maintenance\MathGenerateSql.php on line 23

Fatal error: Uncaught Error: Failed opening required 'C:\xampp\htdocs\extensions\Math\maintenance/../../../maintenance/Maintenance.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\extensions\Math\maintenance\MathGenerateSql.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\Math\maintenance\MathGenerateSql.php on line 23