create son runs successfully but the son object is not created (logs flooded with errors)

steps:

create son command run successfully, but unable to retrieve the son details(see below). witness log is full of errors(errors.log)

peerplays log:

unlocked >>> create_son hvtnss "http://vtnssaddress.com" 1.13.78 1.13.79 [[hive, hvtnss], [peerplays, TEST8LnFJngA6oyJ9wgoVnPkqdgk48soeVbS6JfuJvS4kZczdoGZ3t]] true
create_son hvtnss "http://vtnssaddress.com" 1.13.78 1.13.79 [[hive, hvtnss], [peerplays, TEST8LnFJngA6oyJ9wgoVnPkqdgk48soeVbS6JfuJvS4kZczdoGZ3t]] true
{
  "ref_block_num": 5011,
  "ref_block_prefix": 828637131,
  "expiration": "2021-06-08T20:00:27",
  "operations": [[
      101,{
        "fee": {
          "amount": 0,
          "asset_id": "1.3.0"
        },
        "owner_account": "1.2.68",
        "url": "http://vtnssaddress.com",
        "deposit": "1.13.78",
        "signing_key": "TEST8LnFJngA6oyJ9wgoVnPkqdgk48soeVbS6JfuJvS4kZczdoGZ3t",
        "sidechain_public_keys": [[
            "peerplays",
            "TEST8LnFJngA6oyJ9wgoVnPkqdgk48soeVbS6JfuJvS4kZczdoGZ3t"
          ],[
            "hive",
            "hvtnss"
          ]
        ],
        "pay_vb": "1.13.79"
      }
    ]
  ],
  "extensions": [],
  "signatures": [
    "202fa8fbdd6c398ad9a306245a7f8a21d1ee1d04e8db4e67767114f3660f8f559d74ddd62def8d46833dcf18a34c5fab3d906eae15394f5e1cb4eecacb75dccca6"
  ]
}
unlocked >>>

unlocked >>> get_son hvtnss
get_son hvtnss
0 exception: unspecified
No account or SON named hvtnss
    {"account":"hvtnss"}
    th_a  wallet.cpp:1953 get_son

    {"owner_account":"hvtnss"}
    th_a  wallet.cpp:1957 get_son
unlocked >>> get_son hvtnss
get_son hvtnss
0 exception: unspecified
No account or SON named hvtnss
    {"account":"hvtnss"}
    th_a  wallet.cpp:1953 get_son

    {"owner_account":"hvtnss"}
    th_a  wallet.cpp:1957 get_son
unlocked >>>

unlocked >>>