# Controller list\_controller error

**URL:** <https://discourse.openrobotics.org/t/controller-list-controller-error/54118>\
**Category:** AI for Industry Challenge\
**Created:** [April 17, 2026, 4:43pm UTC](https://discourse.openrobotics.org/t/controller-list-controller-error/54118 "2026-04-17T16:43:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Shadrack\_Antwi](https://sea2.discourse-cdn.com/flex022/user_avatar/discourse.openrobotics.org/shadrack_antwi/32/19118_2.png) [@Shadrack\_Antwi](https://discourse.openrobotics.org/u/Shadrack_Antwi)\
**Post date:** [April 17, 2026, 4:43pm UTC](https://discourse.openrobotics.org/t/controller-list-controller-error/54118/1 "2026-04-17T16:43:57Z")

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Anyone getting error where aic\_controller cannot be called. Seems there is a list\_controllers function that is failing for me