待商家上传退款凭证bussiSupplyRefund接口报错309。

入参：{"complaintOrderId":"3591978","content":"xxxxxxxx","mediaIdList":["xxxxxxx","xxxxxxxxx"]}

出参：{"code":309,"msg":" rid: 6422be86-17b91ad1-7d5762b8","success":false}

请问一下是什么原因，应该如何解决？