# Task MAIN: Fatal runtime error

**URL:** <https://tech-community.robotics.abb.com/t/task-main-fatal-runtime-error/858>\
**Category:** RobotStudio S4\
**Created:** [September 19, 2006, 1:02pm UTC](https://tech-community.robotics.abb.com/t/task-main-fatal-runtime-error/858 "2006-09-19T13:02:53Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/system/32/6_2.png) [@system](https://tech-community.robotics.abb.com/u/system)\
**Post date:** [September 19, 2006, 1:02pm UTC](https://tech-community.robotics.abb.com/t/task-main-fatal-runtime-error/858/1 "2006-09-19T13:02:53Z")

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Hi

I have realised that it is only when i use collision set this error is genereted.

I have looked in prg-maker at there are no syntax errors

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**Author:** ![Anders\_S](https://avatars.discourse-cdn.com/v4/letter/a/ce7236/32.png) [@Anders\_S](https://tech-community.robotics.abb.com/u/Anders_S)\
**Post date:** [September 21, 2006, 10:33am UTC](https://tech-community.robotics.abb.com/t/task-main-fatal-runtime-error/858/2 "2006-09-21T10:33:53Z")

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Hi,

That was strange, I have not heard about that problem before.

If you send your station and a backup from the Virtual Controller to our support department ([support\_software.serop@se.abb.com](mailto:support_software.serop@se.abb.com)) can we take a look at it.