Fatal error: Uncaught Error: Class "Brick\Math\Exception\MathException" not found in D:\Apache24\www\api.print.nxytec.cn\back\vendor\brick\math\src\Exception\NegativeNumberException.php:10 Stack trace: #0 {main} thrown in D:\Apache24\www\api.print.nxytec.cn\back\vendor\brick\math\src\Exception\NegativeNumberException.php on line 10