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

# PositioningError

> An arm cannot enter or leave a positioning mode now; the message is for the operator

```python theme={null}
from grid_robot_api.base.robot import PositioningError
```

An arm cannot enter or leave a positioning mode now; the message is for the operator.


## Related topics

- [Robot interface](https://docs.generalrobotics.dev/python-api/robot-interface/overview.md)
- [Universal Robots UR10e Arm](https://docs.generalrobotics.dev/python-api/ur10e/ur10e.md)
- [Universal Robots UR3e Arm](https://docs.generalrobotics.dev/python-api/ur3e/ur3e.md)
- [Universal Robots UR5e Arm](https://docs.generalrobotics.dev/python-api/ur5e/ur5e.md)
- [Fanuc LR Mate 200iD Arm](https://docs.generalrobotics.dev/python-api/fanuclrmate200id/fanuclrmate200id.md)


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