# Frequently Asked Questions

## Binance Position Mode Error (code=-4061)

**Error Message**: `Order's position side does not match user's setting`

**Cause**: The system requires Hedge Mode (dual position), but your Binance account is set to One-way Mode.

### Solution

1. Login to [Binance Futures Trading Platform](https://www.binance.com/en/futures/BTCUSDT)

2. Click **⚙️ Preferences** in the top right corner

3. Select **Position Mode**

4. Switch to **Hedge Mode** (Dual Position)

5. Confirm the change

**Note**: You must close all open positions before switching modes.

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For more issues, check [GitHub Issues](https://github.com/tinkle-community/nofx/issues)