# ReliableToolError

## ``autogen.tools.experimental.ReliableToolError [\#](https://docs.ag2.ai/0.12.3/docs/api-reference/autogen/tools/experimental/ReliableToolError/#autogen.tools.experimental.ReliableToolError "Permanent link")

```
ReliableToolError(message, final_context=None)
```

Bases: `Exception`

Custom exception for errors during ReliableTool execution.

Source code in `autogen/tools/experimental/reliable/reliable.py`

|     |     |
| --- | --- |
| ```<br>520<br>521<br>522<br>``` | ```<br>def __init__(self, message: str, final_context: ReliableToolContext | None = None):<br>    super().__init__(message)<br>    self.final_context = final_context<br>``` |

### ``final_context`instance-attribute`[\#](https://docs.ag2.ai/0.12.3/docs/api-reference/autogen/tools/experimental/ReliableToolError/#autogen.tools.experimental.ReliableToolError.final_context "Permanent link")

```
final_context = final_context
```