# 6006 IMSTP Error

**URL:** <https://tech-community.robotics.abb.com/t/6006-imstp-error/11579>\
**Category:** RobotStudio\
**Created:** [August 30, 2024, 5:03am UTC](https://tech-community.robotics.abb.com/t/6006-imstp-error/11579 "2024-08-30T05:03:32Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![RobRoy](https://avatars.discourse-cdn.com/v4/letter/r/7ba0ec/32.png) [@RobRoy](https://tech-community.robotics.abb.com/u/RobRoy)\
**Post date:** [August 30, 2024, 5:03am UTC](https://tech-community.robotics.abb.com/t/6006-imstp-error/11579/1 "2024-08-30T05:03:32Z")

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We have 3 ABB robot 2 welders 1 gripper. One of the welders keep coming up with an Joint 5 speed violation Erros on the pendant and on the HMI it says IMSTP error. It happends about 100 times in 24h shift. I’ve reduced speed to 75% still does it…What can it be?