Fatal error: Uncaught Error: Class "Brick\Math\BigNumber" not found in D:\xampp\htdocs\_test\ivvr-web-app\vendor\brick\math\src\BigDecimal.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_test\ivvr-web-app\vendor\brick\math\src\BigDecimal.php on line 17