Fatal error: Uncaught Exception: Wrong type NULL. It should be float for property unit_price in /home/direct18/public_html/api.progymcloud.com/progymcloud_zapote/pagos/mercado_pago/vendor/mercadopago/dx-php/src/MercadoPago/Entity.php:459 Stack trace: #0 /home/direct18/public_html/api.progymcloud.com/progymcloud_zapote/pagos/mercado_pago/vendor/mercadopago/dx-php/src/MercadoPago/Entity.php(368): MercadoPago\Entity->tryFormat(NULL, 'float', 'unit_price') #1 /home/direct18/public_html/api.progymcloud.com/progymcloud_zapote/pagos/mercado_pago/vendor/mercadopago/dx-php/src/MercadoPago/Entity.php(312): MercadoPago\Entity->_setValue('unit_price', NULL) #2 /home/direct18/public_html/api.progymcloud.com/progymcloud_zapote/pagos/mercado_pago/index.php(94): MercadoPago\Entity->__set('unit_price', NULL) #3 {main} thrown in /home/direct18/public_html/api.progymcloud.com/progymcloud_zapote/pagos/mercado_pago/vendor/mercadopago/dx-php/src/MercadoPago/Entity.php on line 459