Pico 4 Ultra Enterprise not silent installing returns code '102'

[DewilLucas]

Hi Guys,
I have succesfully installed on our pico 4 enteprise devices and everything works well.
But we bought 8 new Pico 4 Ultra Enterprise devices and wanted to port it to it.
I'am encoutering something weird with your API. When it start installing I get a code "102" that is not in your documentation.
Could you help?
Here is the script I use for the pico 4 Enterprise and the Ultra's:
private async System.Threading.Tasks.Task DownloadAndInstallAPK(string apkUrl, string apkName)
{
try
{
string savePath = Path.Combine(apkFolder, apkName);
string fullUrl = apkUrl.StartsWith("http") ? apkUrl : $"https://{serverIP}{apkUrl}";
// Download APK bytes from server
byte[] apkBytes = await httpClient.GetByteArrayAsync(fullUrl);
File.WriteAllBytes(savePath, apkBytes);
UnityEngine.Debug.Log($"📦 APK downloaded to {savePath}");
InstallStatusText.text = $"📦 APK downloaded to {savePath}";

    // Silent install on PICO device
    InstallStatusText.text = $"📦 installing...";
    Debug.LogWarning("📦 installing...");
    PXR_Enterprise.ControlAPPManager(
        Unity.XR.PICO.TOBSupport.PackageControlEnum.PACKAGE_SILENCE_INSTALL,
        savePath,
        (result) =>
        {
            Debug.Log("📦 Install callback result: " + result);
            switch (result)
            {
                case 0: 
                    UnityEngine.Debug.Log("✅ APK installed successfully!");
                    InstallStatusText.text += "\n✅ APK installed successfully!";
                    // 🔄 Refresh app panel
                    if (appListManager != null)
                    {
                        appListManager.RefreshAppList();
                        InstallStatusText.text += "\n🔄 App list refreshed.";
                    }
                    else Debug.LogWarning("⚠️ appListManager not assigned in Inspector.");
                break;
                case 1: 
                    UnityEngine.Debug.LogError("❌ APK installation failed."); 
                    InstallStatusText.text += "\n❌ APK installation failed.";
                    Debug.LogWarning("❌ APK installation failed.");
                break;
                case 2: 
                    UnityEngine.Debug.LogError("❌ No permission for silent install.");
                    InstallStatusText.text += "\n❌ No permission for silent install.";
                    //InstallAPKWithIntent(savePath);
                break;
            }
        }
    );
}
catch (Exception e)
{
    UnityEngine.Debug.LogError("❌ Failed to download or install APK: " + e.Message);
    InstallStatusText.text = "❌ Failed to download or install APK: " + e.Message;
}

All the permissions are correct because it works on the pico 4 Enterprise.
Kind regards