Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Price is not a valid numeric value' in /mnt/volume-nyc1-02/reubenwu.com/shop/vendor/paypal/rest-api-sdk-php/lib/PayPal/Validation/NumericValidator.php:23 Stack trace: #0 /mnt/volume-nyc1-02/reubenwu.com/shop/vendor/paypal/rest-api-sdk-php/lib/PayPal/Api/Item.php(129): PayPal\Validation\NumericValidator::validate('1,200.00', 'Price') #1 /mnt/volume-nyc1-02/reubenwu.com/shop/checkout.php(120): PayPal\Api\Item->setPrice('1,200.00') #2 {main} thrown in /mnt/volume-nyc1-02/reubenwu.com/shop/vendor/paypal/rest-api-sdk-php/lib/PayPal/Validation/NumericValidator.php on line 23