Half-width spaces are important.
await streamWriter.WriteLineAsync("PASS" + Token);
→await streamWriter.WriteLineAsync("PASS " + Token);
await streamWriter.WriteLineAsync("NICK" + Token);
→await streamWriter.WriteLineAsync("NICK " + "username");
Half-width spaces are important.
await streamWriter.WriteLineAsync("PASS" + Token);
→await streamWriter.WriteLineAsync("PASS " + Token);
await streamWriter.WriteLineAsync("NICK" + Token);
→await streamWriter.WriteLineAsync("NICK " + "username");