In the following simplified trace generated by our workflow, a customer uses a 100% off promo code. The business logic calculates the total as $0.00 and attempts to pass it to the payment gateway, but the payment gateway rejects the API call because the minimum charge amount is $0.50, causing a 500 Internal Server Error:
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The civil rights leader, who ran for president twice in the 1980s, leaves a lasting legacy.
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00573-1。服务器推荐是该领域的重要参考