Reported error while claiming rewards about testnets HOT 2 CLOSED

gaiad tx distribution withdraw-rewards cosmosvaloper15aptdqmm7ddgtcrjvc5hs988rlrkze406p56m2  --from cosmos1j7qzunvzx4cdqya80wvnrsmzyt9069d3gwhu5p --fees 500uatom --chain-id theta-testnet-001 --gas auto --node "http://sentry-01.theta-testnet.polypore.xyz:26657" -y

gas estimate: 117782
code: 0
codespace: ""
[CROPPED CONTENT]
gas_used: "115816"
gas_wanted: "117782"
height: "9903408"
info: ""
logs:
- events:
  - attributes:
    - key: amount
      value: 71uatom
    - key: validator
      value: cosmosvaloper15aptdqmm7ddgtcrjvc5hs988rlrkze406p56m2
    type: withdraw_rewards
  log: ""
  msg_index: 0
raw_log: '[{"events":[{"type":"coin_received","attributes":[{"key":"receiver","value":"cosmos1j7qzunvzx4cdqya80wvnrsmzyt9069d3gwhu5p"},{"key":"amount","value":"71uatom"}]},{"type":"coin_spent","attributes":[{"key":"spender","value":"cosmos1jv65s3grqf6v6jl3dp4t6c9t9rk99cd88lyufl"},{"key":"amount","value":"71uatom"}]},{"type":"message","attributes":[{"key":"action","value":"/cosmos.distribution.v1beta1.MsgWithdrawDelegatorReward"},{"key":"sender","value":"cosmos1jv65s3grqf6v6jl3dp4t6c9t9rk99cd88lyufl"},{"key":"module","value":"distribution"},{"key":"sender","value":"cosmos1j7qzunvzx4cdqya80wvnrsmzyt9069d3gwhu5p"}]},{"type":"transfer","attributes":[{"key":"recipient","value":"cosmos1j7qzunvzx4cdqya80wvnrsmzyt9069d3gwhu5p"},{"key":"sender","value":"cosmos1jv65s3grqf6v6jl3dp4t6c9t9rk99cd88lyufl"},{"key":"amount","value":"71uatom"}]},{"type":"withdraw_rewards","attributes":[{"key":"amount","value":"71uatom"},{"key":"validator","value":"cosmosvaloper15aptdqmm7ddgtcrjvc5hs988rlrkze406p56m2"}]}]}]'
timestamp: ""
tx: null
txhash: 687655B87C630488C082D85D9A0063A95EA7295393D84793DF4AE127DB174965