# Obj reference

**URL:** <https://tech-community.robotics.abb.com/t/obj-reference/4260>\
**Category:** RobotStudio\
**Created:** [June 28, 2011, 3:59pm UTC](https://tech-community.robotics.abb.com/t/obj-reference/4260 "2011-06-28T15:59:12Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Bobban](https://avatars.discourse-cdn.com/v4/letter/b/b5ac83/32.png) [@Bobban](https://tech-community.robotics.abb.com/u/Bobban)\
**Post date:** [June 28, 2011, 3:59pm UTC](https://tech-community.robotics.abb.com/t/obj-reference/4260/1 "2011-06-28T15:59:12Z")

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Hello !

I have just started to work with robotstudio, so i have a question about obj reference fault.

After i have saved the work, and maybe next day i will open it again, i will have a fault that  
appears. Obj reference not set to an instance of an object? and i cant do anything? i need to start over:grinning:

/Bobban

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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:** [June 29, 2011, 9:21am UTC](https://tech-community.robotics.abb.com/t/obj-reference/4260/2 "2011-06-29T09:21:20Z")

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Hi,If you get this error message for all your stations, I recommend that you reinstall RobotStudio to see if that solves the problem. If you still have problem after the reinstall, please contact your local ABB office for support.