Verify error

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:1234: Code to reproduce

I'm trying to verify my contract by command npx hardhat verify --network polygon "0x48170d90F4ee6DDAC11C2A74979022FB5608F5eD" "Freaky Goblins" "GOBLIN" "ipfs://some-address/" "0xa5409ec958c83c3f309868babaca7c86dcb077c1", but got this error:

Compiling 19 files with 0.8.0
Compilation finished successfully
Compiling 1 file with 0.8.0
Error in plugin @nomiclabs/hardhat-etherscan: Failed to send contract verification request.
Endpoint URL: https://api.polygonscan.com/api
Reason: The Etherscan API responded that the address 0x48170d90F4ee6DDAC11C2A74979022FB5608F5eD does not have bytecode.
This can happen if the contract was recently deployed and this fact hasn't propagated to the backend yet.
Try waiting for a minute before verifying your contract. If you are invoking this from a script,
try to wait for five confirmations of your contract deployment transaction before running the verification subtask.

:computer: Environment

Hardhat

    "@nomiclabs/buidler": "^1.4.8",
    "@nomiclabs/hardhat-ethers": "^2.0.1",
    "@nomiclabs/hardhat-etherscan": "^2.1.7",
    "@nomiclabs/hardhat-waffle": "^2.0.1",
    "chai": "^4.2.0",
    "chai-bignumber": "^3.0.0",
    "chai-bn": "^0.2.1",
    "ethereum-waffle": "^3.2.1",
    "ethers": "^5.0.24",
    "hardhat": "^2.6.1",
    "hardhat-deploy": "^0.7.0-beta.39",
    "web3": "^1.2.9"
2

I see that you've already verified the contract.