"Unknown transaction optional data" error when calling GetBlock()

[atlos-io]

Hello,

We are experiencing an error when calling GetBlockCount() on Litecoin Mainnet network. This is the code snippet:

var Network = Litecoin.Instance.Mainnet;
var Rpc = new RPCClient($"{RpcUser}:{RpcPassword}", RpcUrl, Network);

var blockCount = Rpc.GetBlockCount();
var block = Rpc.GetBlock(blockCount);               // this line generates the error

Error: "Unknown transaction optional data"

The code works fine with other networks, such as Bitcoin.

Has anyone seen anything like this?

[lontivero]

This is not a NBitcoin error but a Litecoin error message. Open and issue in Litecoin's github repo.