---
id: "P:cAlgo.API.TradeResult.Error"
kind: "property"
type: "T:cAlgo.API.TradeResult"
url: "https://help.ctrader.com/ctrader-algo/references/Trading/TradeResult/Error/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# TradeResult.Error

Member of [TradeResult](https://help.ctrader.com/ctrader-algo/references/Trading/TradeResult/index.md).

## Error

The error code of an unsuccessful trade.

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
public ErrorCode? Error {get;}
```

Python:

```python
api.LastResult.Error: ErrorCode | None
```

### Returns

`ErrorCode?` — 

### Examples

C#:

```csharp
var result = ExecuteMarketOrder(TradeType.Sell, "EURUSD", 1, "myLabel");
if (!result.IsSuccessful && result.Error == ErrorCode.BadVolume)
    Print("Invalid volume, minimum is {0}", Symbols.GetSymbol("EURUSD").VolumeInUnitsMin);
```

Python:

```python
result = api.ExecuteMarketOrder(TradeType.Sell, "EURUSD", 1, "myLabel")
if not result.IsSuccessful and result.Error == ErrorCode.BadVolume:
    api.Print(f"Invalid volume, minimum is {api.Symbols.GetSymbol('EURUSD').VolumeInUnitsMin}")
```