Fatal error: Uncaught Error: Class "Brick\Math\BigNumber" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\brick\math\src\BigInteger.php:48 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\brick\math\src\BigInteger.php on line 48