Fatal error: Uncaught Error: Class 'baseCalc' not found in D:\Server\Apache24\htdocs\zentaopms\module\metric\calc\system\rate\rate_of_fixed_bug.php:21 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\module\metric\calc\system\rate\rate_of_fixed_bug.php on line 21