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Backaround:

The error indicates: QR code creation failed. The error may occur to interface: alipay.acquire.precreate and create_forex_trade

Cause：

If same request is submitted multiple times at the same time, this error will be returned.

Solution:

If you use the same out_trade_no to call the interface more than 20 times, this error will be returned. Please change out_trade_no and initiate the request again.

背景:

该报错含义：二维码创建失败，可能导致出现此报错的接口alipay.acquire.precreate和create_forex_trade

原因：

如果相同请求同一时间重复多次提交则会导致此报错

解决方案：

如果使用同一个外部商户订单号（out_trade_no）调用接口请求超过20次会报此错。请更换外部订单号（out_trade_no）后，重新发起请求。