bitcoind – Invalid operation with current stack size

As Arubi said, you're a script. It's just 0x51:

the source font of the information source of the information source of the company's information source
{
"txid": "2e7c6efc9dc6104f132a10d0d64263269d1ece326b4d64cb1061fe5a81b4d53b",
"hash": "2e7c6efc9dc6104f132a10d0d64263269d1ece326b4d64cb1061fe5a81b4d53b",
"version 2,
"size": 96,
"vsize": 96,
"weight": 384,
"locktime": 0,
"vin": [
    {
      "txid": "dbf477b700b7e159c07f15e1b6f5917e1247175e055fe533068a6fbc4ce2c374",
      "vout": 0,
      "scriptSig": {
        "asm": "1",
        "hex": "51"
      },
      "sequence": 4294967295
    }
  ],
"vout": [
    {
      "value": 0.00120000,
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_SHA256 dbc1b4c900ffe48d575b5da5c638040125f65db0fe3e24494b76ea986457d986 OP_EQUAL",
        "hex": "a820dbc1b4c900ffe48d575b5da5c638040125f65db0fe3e24494b76ea986457d98687",
        "type": "nonstandard"
      }
    }
  ]
}

This means that if the scriptPubKey of the ticket you are spending is:

OP_IF
OP_SHA256 4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a OP_EQUAL
Op_else
10 OP_CHECKLOCKTIMEVERIFY OP_DROP OP_SHA256 dbc1b4c900ffe48d575b5da5c638040125f65db0fe3e24494b76ea986457d986 OP_EQUAL
OP_ENDIF

It will execute this branch (since the element of the upper stack is true):

OP_IF
OP_SHA256 4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a OP_EQUAL 

You must also provide any hashes to the value. 4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a so that it returns successfully.