"error": "Operation not valid with the c?400报错

比特币签名交易时报错：
 


{
  "hex": "0200000001195d8707ea009b90b28bdc3a8b8d99a5ce7d5e79d9f07e8ed243d7b549ba875d0000000000ffffffff01d076a3010000000017a9143eaab473bcbee100848ec8a84c00759119aa038f8700000000",
  "complete": false,
  "errors": [
    {
      "txid": "5d87ba49b5d743d28e7ef0d9795e7dcea5998d8b3adc8bb2909b00ea07875d19",
      "vout": 0,
      "witness": [
      ],
      "scriptSig": "",
      "sequence": 4294967295,
      "error": "Unable to sign input, invalid stack size (possibly missing key)"
    }
  ]
}