Paypal購物車項目金額的總計與訂單金額不匹配

我收到了此PayPal doExpressPayment請求的回覆。Paypal購物車項目金額的總計與訂單金額不匹配

任何人都可以指出我的請求錯誤在哪裏？

Array 
(
    [errors] => Array(
    [TIMESTAMP] => 2012-12-11T16:58:29Z 
    [CORRELATIONID] => 6fc8ed447aeb7 
    [ACK] => Failure 
    [VERSION] => 63.0 
    [BUILD] => 4181146 
    [L_ERRORCODE0] => 10413 
    [L_SHORTMESSAGE0] => Transaction refused because of an invalid argument. See additional error messages for details. 
    [L_LONGMESSAGE0] => The totals of the cart item amounts do not match order amounts. 
    [L_SEVERITYCODE0] => Error 
    ) 
) 

[request] => PAYMENTREQUEST_0_ITEMAMT=43.99 
      &PAYMENTREQUEST_0_SHIPPINGAMT=5.30 
      &PAYMENTREQUEST_n_TAXAMT=2.46 
      &PAYMENTREQUEST_0_AMT=51.75 
      &PAYMENTREQUEST_0_INSURANCEAMT=0 
      &PAYMENTREQUEST_0_PAYMENTACTION=Sale 
      &L_PAYMENTREQUEST_0_NAME0=Six+Snowmen+at+Your+Hipline 
      &L_PAYMENTREQUEST_0_QTY0=1 
      &L_PAYMENTREQUEST_0_DESC0=Six+Snowmen+at+Your+Hipline 
      &L_PAYMENTREQUEST_0_AMT0=43.99 
      &VERSION=63.0

來源

2012-12-11 Guilherme Viebig

&PAYMENTREQUEST_n_TAXAMT=2.46

我想這應該是：

&PAYMENTREQUEST_0_TAXAMT=2.46

來源

2012-12-11 17:34:17

Paypal購物車項目金額的總計與訂單金額不匹配

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