Get error network does not support in chain Ancient8 ethers v6.13.4 (v5 is working good on this chain)

[ducyb782001]

Ethers Version

6.13.4

Search Terms

ancient8, network does not support

Describe the Problem

I get error
errors.js:137 Uncaught (in promise) Error: network does not support ENS (operation="getEnsAddress", info={ "network": { "chainId": "28122024", "name": "unknown" } }, code=UNSUPPORTED_OPERATION, version=6.13.4)
when trying to get balance of an ERC20 token using provider.getBalance

Code Snippet

`
    const provider = new ethers.JsonRpcProvider(
      "https://rpcv2-testnet.ancient8.gg"
    );
    const erc20ContractWithoutSigner = new ethers.Contract(
      "0xA64930C5c49e0082dEB9c0b2cad76fD286E1D9a60xA64930C5c49e0082dEB9c0b2cad76fD286E1D9a6",
      ERC20_ABI,
      provider
    );
     const erc20Balance = await erc20ContractWithoutSigner.balanceOf(
      Typed.address(walletAddress)
    );
`

Contract ABI

[
  { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "address",
        "name": "owner",
        "type": "address"
      },
      {
        "indexed": true,
        "internalType": "address",
        "name": "spender",
        "type": "address"
      },
      {
        "indexed": false,
        "internalType": "uint256",
        "name": "value",
        "type": "uint256"
      }
    ],
    "name": "Approval",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "address",
        "name": "previousOwner",
        "type": "address"
      },
      {
        "indexed": true,
        "internalType": "address",
        "name": "newOwner",
        "type": "address"
      }
    ],
    "name": "OwnershipTransferred",
    "type": "event"
  },
  {
    "anonymous": false,
    "inputs": [
      {
        "indexed": true,
        "internalType": "address",
        "name": "from",
        "type": "address"
      },
      {
        "indexed": true,
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "indexed": false,
        "internalType": "uint256",
        "name": "value",
        "type": "uint256"
      }
    ],
    "name": "Transfer",
    "type": "event"
  },
  {
    "inputs": [
      { "internalType": "address", "name": "owner", "type": "address" },
      { "internalType": "address", "name": "spender", "type": "address" }
    ],
    "name": "allowance",
    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      { "internalType": "address", "name": "spender", "type": "address" },
      { "internalType": "uint256", "name": "amount", "type": "uint256" }
    ],
    "name": "approve",
    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      { "internalType": "address", "name": "account", "type": "address" }
    ],
    "name": "balanceOf",
    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
    "stateMutability": "view",
    "type": "function"
  },
]

Errors

Uncaught (in promise) Error: network does not support ENS (operation="getEnsAddress", info={ "network": { "chainId": "28122024", "name": "unknown" } }, code=UNSUPPORTED_OPERATION, version=6.13.4)

Environment

node.js (v12 or newer)

Environment (Other)

No response

[ducyb782001]

I also call
provider.getNetwork()
and only get chainId, for example
{ "name": "unknown", "chainId": "28122024" }