# Question about RAPID

**URL:** <https://tech-community.robotics.abb.com/t/question-about-rapid/7143>\
**Category:** RobotStudio\
**Created:** [May 9, 2016, 11:18am UTC](https://tech-community.robotics.abb.com/t/question-about-rapid/7143 "2016-05-09T11:18:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jessmupo](https://avatars.discourse-cdn.com/v4/letter/j/d07c76/32.png) [@jessmupo](https://tech-community.robotics.abb.com/u/jessmupo)\
**Post date:** [May 9, 2016, 11:18am UTC](https://tech-community.robotics.abb.com/t/question-about-rapid/7143/1 "2016-05-09T11:18:37Z")

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Hello,

I am trying to design a pick and place routine using RobotStudio. I wrote a RAPID program code, but the system said me that there was a error in the signal “start” (signal for starting the smart component of the movement of objects) and I don’t know why and I can’t think of one solution that is not activate the conveyor belt using “Start=1”.

I attach the station and a document text with the code.

I was wondering if someone could help me.

Thanks in advance.  
[Rapid Code.txt](https://tech-community.robotics.abb.com/uploads/short-url/g9T1EgrZ3wOnzdo0JkesPaIHCF1.txt) (5.72 KB)