Fatal error: Uncaught Error: Class 'Brick\Math\BigNumber' not found in D:\xampp7\htdocs\www\nbkm\show_ir\vendor\brick\math\src\BigRational.php:19 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_ir\vendor\brick\math\src\BigRational.php on line 19