# Execution error on new task with conveyor mechanical group

**URL:** https://tech-community.robotics.abb.com/t/execution-error-on-new-task-with-conveyor-mechanical-group/8994
**Category:** Collaborative Robots
**Tags:** yumi, simulation, robot-studio, error, robot-controller
**Created:** [July 24, 2019, 10:20am UTC](https://tech-community.robotics.abb.com/t/execution-error-on-new-task-with-conveyor-mechanical-group/8994 "2019-07-24T10:20:49Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Ertryw](https://avatars.discourse-cdn.com/v4/letter/e/b9bd4f/32.png) [@Ertryw](https://tech-community.robotics.abb.com/u/Ertryw)
#### Post date: [July 24, 2019, 10:20am UTC](https://tech-community.robotics.abb.com/t/execution-error-on-new-task-with-conveyor-mechanical-group/8994/1 "2019-07-24T10:20:49Z")

</div>

Hi,

when I try to run the conveyor tracing on real yumi controller I get following error

 ![image.png](https://europe1.discourse-cdn.com/flex005/uploads/robotics1/original/2X/8/89f4a3b0790cea9cddee5d4063dc7c8c4b6e4b6a.png)

But with the same settings in robotstudio, the simulation works correctly without any errors.

My controller settings:

![image.png](https://europe1.discourse-cdn.com/flex005/uploads/robotics1/original/2X/9/97873670c07266787cd4ee64f22a087e2d6ddb74.png)  
 ![image.png](https://europe1.discourse-cdn.com/flex005/uploads/robotics1/original/2X/9/9aa647d5b1d8f04280d61f048da7c6babaac4f75.png)

and the event log doesn’t contain more messages that would help solve the problem:

 ![image.png](https://europe1.discourse-cdn.com/flex005/uploads/robotics1/original/2X/f/f3473f37f9df5a72d35517893c40b011160ab524.png)

How to solve it?

Thanks for help,  
Ertryw