https://transact.ti.com/v2/store/orders下单API 报错ERR-TICOM-ORDER-API-KNV-0503

transact.ti.com/.../orders

创建订单API 报错:503

"errorCode": "ERR-TICOM-ORDER-API-KNV-0503",

"reason": "Unable to validate order",
"message": "The order could not be completed at this time"
测试型号为NE555DR

transact.ti.com/.../test
创建测试订单API 正常返回201
测试型号为:NE555DR

请问如何解决这个问题