Unhandled Rejection (Error)

[crypt0inf0]

Hi, While sh start.sh localhost were unable to detect as baseurl.

Unhandled Rejection (Error): could not detect network (event="noNetwork", code=NETWORK_ERROR, version=providers/5.4.1)
Logger.makeError
/workspace/pancakeswap-frontend-hardhat-testnet/src.ts/index.ts:213
Logger.throwError
/workspace/pancakeswap-frontend-hardhat-testnet/src.ts/index.ts:225
StaticJsonRpcProvider.<anonymous>
/workspace/pancakeswap-frontend-hardhat-testnet/src.ts/json-rpc-provider.ts:396
  393 | this.emit("debug", {
  394 |     action: "response",
  395 |     error: error,
> 396 |     request: request,
      | ^  397 |     provider: this
  398 | });
  399 | throw error;