贝宝错误10413 - 购物车中物品的数量不符合订单的总计金额
问题描述：
我发送以下请求到PayPal：贝宝错误10413 - 购物车中物品的数量不符合订单的总计金额
USER=APIUSERNAME&
PWD=APIPASSWORD&
SIGNATURE=APISIGNATURE&
METHOD=SetExpressCheckout&
VERSION=204&
PAYMENTREQUEST_0_PAYMENTACTION=SALE&
PAYMENTREQUEST_0_AMT=1.11&
PAYMENTREQUEST_0_CURRENCYCODE=EUR&
PAYMENTREQUEST_0_CUSTOM=148&
PAYMENTREQUEST_0_DESC=PayPal+Express+Checkout&
PAYMENTREQUEST_0_INVNUM=145001530&
RETURNURL=returnurl&
CANCELURL=cancelurl&
EMAIL=email%40live.nl&
PAYMENTREQUEST_0_SHIPTONAME=Testperson-nl+Approved&
PAYMENTREQUEST_0_SHIPTOSTREET=Neherkade+1XI&
PAYMENTREQUEST_0_SHIPTOCITY=Gravenhage&
PAYMENTREQUEST_0_SHIPTOZIP=2521VA&
PAYMENTREQUEST_0_SHIPTOCOUNTRYCODE=NL&
PAYMENTREQUEST_0_SHIPTOPHONENUM=0612345678&
L_PAYMENTREQUEST_0_NAME0=Jackie+O+Round+Sunglasses&
L_PAYMENTREQUEST_0_AMT0=1.11&
L_PAYMENTREQUEST_0_NUMBER0=ace001&
L_PAYMENTREQUEST_0_QTY0=1&
L_PAYMENTREQUEST_0_TAXAMT0=0.19&
PAYMENTREQUEST_0_TAXAMT=0.19
但是由于某种原因，我得到以下信息：
L_ERRORCODE0 = 10413 & L_SHORTMESSAGE0 =由于参数无效而拒绝交易。详细信息请参阅其他错误消息。 & L_LONGMESSAGE0 =购物车项目总金额与订单金额不匹配。
我尝试了许多不同的配置（添加项目数量，无税等）。 那么，任何人都可以帮助我知道我做错了什么？
答
PAYMENTREQUEST_0_AMT =（总量用户不得不支付）
PAYMENTREQUEST_0_AMT= Everything including Tax,shipping cost, insurance etc