# WARNING initializing VIO error message from voxl-vision-px4

Source: https://forum.modalai.com/topic/2068/warning-initializing-vio-error-message-from-voxl-vision-px4
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2023-04-13 08:32:24 UTC by KAI WANG
Replies: 3 · Views: 859

## KAI WANG · 2023-04-13 08:32:24 UTC

I use Pixhawk 4 mini with VOXL Camera,
but WARNING initializing VIO error message 

![voxl_bug.png](https://forum.modalai.com/assets/uploads/files/1681374684244-voxl_bug.png) 

![voxl_bug2.png](https://forum.modalai.com/assets/uploads/files/1681374696133-voxl_bug2.png) 

Can anyone suggest ? Thanks.

https://discuss.ardupilot.org/t/copter-4-4-0-with-voxl-camera-test-visodom-not-healthy/97811

## Reply by tom (ModalAI staff) · 2023-04-13 17:21:42 UTC

@KAI-WANG My initial thought is that the system expects the voxl cam to be mounted rigidly upwards, similar to how we have it mounted on seeker: https://www.modalai.com/products/seeker?variant=39435415027763

I think it's confused by the way you have it just sitting on your desk at an angle

## Reply by tom (ModalAI staff) · 2023-04-13 17:25:32 UTC

@KAI-WANG And see here https://docs.modalai.com/configure-extrinsics/

## Reply by KAI WANG · 2023-04-21 09:54:29 UTC (in reply to tom)

@tom 
I got it, Thank your help and reply,
Have a nice weekend.