Fatal error: Uncaught Error: Interface "Money\Calculator" not found in D:\xampp\htdocs\dropifypro\vendor\moneyphp\money\src\Calculator\BcMathCalculator.php:21 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\moneyphp\money\src\Calculator\BcMathCalculator.php on line 21