Fatal error: Uncaught Error: Class "Brick\Math\Internal\Calculator" not found in /var/www/html/app/vendor/brick/math/src/Internal/Calculator/BcMathCalculator.php:16 Stack trace: #0 {main} thrown in /var/www/html/app/vendor/brick/math/src/Internal/Calculator/BcMathCalculator.php on line 16