# \#no-controller

**URL:** https://forum.universal-robots.com/tag/no-controller/37.md

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## [Controller shuts down while urcap development](https://forum.universal-robots.com/t/controller-shuts-down-while-urcap-development/6540)

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**Author:** [@tal](https://forum.universal-robots.com/u/tal)\
**Replies:** 4\
**Last updated:** [March 3, 2020, 10:52am UTC](https://forum.universal-robots.com/t/controller-shuts-down-while-urcap-development/6540 "2020-03-03T10:52:36Z")

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I was testing two URCap in Polyscope 5.6 and 5.5 and I received a "No Controller " Error. I have attached the error its shows on the terminal. I am not sure if it is due to the XMLRPC issue discussed earlier. Is there an…

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## [No Controller Error](https://forum.universal-robots.com/t/no-controller-error/793)

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**Author:** [@reinaldo.ribeiro](https://forum.universal-robots.com/u/reinaldo.ribeiro)\
**Replies:** 8\
**Last updated:** [May 24, 2017, 11:51am UTC](https://forum.universal-robots.com/t/no-controller-error/793 "2017-05-24T11:51:36Z")

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Hello, Appears at startup. Robot: No controller.