Troubleshooting

Common issues and how to fix them. Can't find your answer? Open an issue on GitHub

⚠️Backend won't start

Symptoms:

  • App shows 'Backend disconnected' error
  • Sidecar process not starting
  • API calls fail with connection refused

Check if sidecar is running

  1. 1.Open Task Manager (Ctrl+Shift+Esc)
  2. 2.Look for 'HuluChat Backend' or 'python' process
  3. 3.If not running, manually start it backend

Restart the application

  1. 1.Close HuluChat completely
  2. 2.Reopen HuluChat
  3. 3.The backend should auto-start

Check antivirus/firewall

  1. 1.Some antivirus software blocks the sidecar
  2. 2.Add an exception for HuluChat in your antivirus
  3. 3.Allow the app through firewall

⚠️API Key not working

Symptoms:

  • Error: 'Invalid API key'
  • Error: 'Authentication failed'
  • AI responds with error message

Verify API key format

  1. 1.Make sure the API key is correct (no extra spaces)
  2. 2.Check if the key starts with 'sk-' for OpenAI
  3. 3.Some providers use different prefixes

Check Base URL

  1. 1.Verify the Base URL is correct for your provider
  2. 2.OpenAI: https://api.openai.com/v1
  3. 3.DeepSeek: https://api.deepseek.com
  4. 4.Ollama: http://localhost:11434/v1

Test API key

  1. 1.Go to Settings
  2. 2.Click 'Test Connection' button
  3. 3.A successful test confirms your key works

⚠️Slow performance

Symptoms:

  • App feels sluggish
  • Long loading times
  • High memory usage

Clear old sessions

  1. 1.Delete unused sessions from sidebar
  2. 2.Use folders to organize
  3. 3.Large session counts slow down the app

Check system resources

  1. 1.Close other heavy applications
  2. 2.Restart the app if memory is low
  3. 3.Consider upgrading RAM

⚠️RAG not working

Symptoms:

  • Documents not loading
  • Search returns no results
  • Error messages about embeddings

Check document format

  1. 1.Ensure document is in supported format (PDF, TXT, MD)
  2. 2.Very large PDFs may take longer to process
  3. 3.Try splitting large documents

Restart after adding documents

  1. 1.Remove and re-add documents
  2. 2.Wait for processing to complete
  3. 3.Check the console for errors

Still Having Issues?

If you above solutions don't resolve your problem, here are additional steps:

📋 Check Logs

Open Developer Tools (F12) and check the Console tab for error messages.

🔄 Reinstall

Download the latest version from GitHub. A clean reinstall often fixes issues.

💬 Get Help

Create an issue on GitHub with details about your setup and the problem.