fix and send back fully fixed

private async void GenerateMusic(string lyrics, string prompt, int steps, float duration, float GST, float GSL, float GS, string ExtraData = null)
{
    try
    {
        List<int> actual_seeds;
        if (MusicTTS)
        {
            if (textBox3.Text.Length > 0)
            {
                musicTextSeed = int.Parse(textBox3.Text);
                actual_seeds = new List<int> { musicTextSeed };
            }
        }
        else
        {
            actual_seeds = new List<int> { /* populate with your seeds if needed */ };
        }

        var input = new ACEStepInput
        {
            checkpoint_path = @"",
            bf16 = true,
            torch_compile = false,
            device_id = 0,
            output_path = @"C:\output\folder",
            audio_duration = duration,
            prompt = prompt,
            lyrics = lyrics,
            infer_step = steps,
            guidance_scale = 7.5f,
            scheduler_type = "euler",
            cfg_type = "apg",
            omega_scale = 0f,
            actual_seeds = actual_seeds,
            guidance_interval = 1.0f,
            guidance_interval_decay = 0f,
            min_guidance_scale = 0.2f,
            use_erg_tag = true,
            use_erg_lyric = true,
            use_erg_diffusion = true,
            oss_steps = new List<int> { },
            guidance_scale_text = GST,
            guidance_scale_lyric = GSL
        };

        using (var client = new ACEStepClient("http://localhost:8000"))
        {
            ACEStepOutput output = await client.GenerateAudioAsync(input);

            string path = await client.DownloadAndSaveAudioAsync(output.output_path, input.output_path);
            songOut = path;

            if (instMode)
            {
                if (ExtraData == "[inst]")
                {
                    audioFilePath = path;
                    PlayMusic();
                    instMode = false;
                    GeneralProgress.Visible = false;
                }
                else
                {
                    await SplitMusicmdx23c(path, @"C:\output\folder", 8123);
                }
            }
            else
            {
                if (LyricBox.Text == "[inst]")
                {
                    audioFilePath = path;
                    PlayMusic();
                }
                else
                {
                    if (skipseeder)
                    {
                        instMode = true;
                        audioFilePath = path;
                        PlayMusic();
                        instMode = false;
                        GeneralProgress.Visible = false;
                    }
                    else
                    {
                        await SplitMusicmdx23c(path, @"C:\output\folder", 8123);
                    }
                }
            }
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show($"Error: {ex.Message}", "Error",
            MessageBoxButtons.OK, MessageBoxIcon.Error);
        Clipboard.SetText(ex.Message);
    }
}

error

Severity	Code	Description	Project	File	Line	Suppression State	Details
Error (active)	CS0165	Use of unassigned local variable 'actual_seeds'	ByteBreath	C:\Users\DjZaN\source\repos\Byte_Breath\ByteBreath\Form1.cs	7383