eth_getFinalizedHeader returns "21 out of range [1,8]" error

[quick-pawiromitchel]

System information

Erigon version: erigon/1.2.16/linux-amd64/go1.21.5

OS & Version: Linux

Chain/Network: BSC Testnet

Expected behaviour

Correct response

Actual behaviour

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "21 out of range [1,8]"
  }
}

Steps to reproduce the behaviour

Run the payload { "jsonrpc": "2.0", "method": "eth_getFinalizedHeader", "params": [21], "id": 1 }

Backtrace

[WARN] [01-26|13:42:14.398] [rpc] served                             conn=xxx.xxx.xxx.xxx:54553 method=eth_getFinalizedHeader reqid=1 t=197.445µs err="21 out of range [1,8]"

[MatusKysel]

duplicate of bnb-chain/bsc#2866