> ## Documentation Index
> Fetch the complete documentation index at: https://docs.capx.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Troubleshooting

* **Insufficient balance errors**
  * Get test SOL from [https://faucet.solana.com](https://faucet.solana.com) (select devnet)
  * Verify your wallet private key is in base58 format in `.env.local`
  * Check you're connected to devnet (`RPC_PROVIDER_URL=https://api.devnet.solana.com`)
* **Agent not responding**
  * Verify your OpenAI API key is valid and has credits
  * Check browser console for specific error messages
  * Ensure all environment variables are set correctly
* **GOAT\_CHAIN must be set error**
  * Add `GOAT_CHAIN=solana` to your `.env.local` file
* **Module not found errors**
  * Run `npm install` to ensure all dependencies are installed
  * Check that all GOAT SDK packages are listed in package.json