# What is purpose of error . can you explain it

**URL:** <https://get-help.theconstruct.ai/t/what-is-purpose-of-error-can-you-explain-it/40264>\
**Category:** Linux Basics For Robotics\
**Tags:** error\
**Created:** [March 11, 2026, 1:51am UTC](https://get-help.theconstruct.ai/t/what-is-purpose-of-error-can-you-explain-it/40264 "2026-03-11T01:51:31Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![AJITH\_R](https://get-help.theconstruct.ai/letter_avatar_proxy/v4/letter/a/aca169/32.png) [@AJITH\_R](https://get-help.theconstruct.ai/u/AJITH_R)\
**Post date:** [March 11, 2026, 1:51am UTC](https://get-help.theconstruct.ai/t/what-is-purpose-of-error-can-you-explain-it/40264/1 "2026-03-11T01:51:32Z")

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![image](https://get-help.theconstruct.ai/uploads/default/original/2X/e/e3088b26e2514ea09de601d6b9e88b51268cd5c6.png)

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**Author:** ![bayodesegun](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/bayodesegun/32/10684_2.png) [@bayodesegun](https://get-help.theconstruct.ai/u/bayodesegun)\
**Post date:** [March 12, 2026, 9:20am UTC](https://get-help.theconstruct.ai/t/what-is-purpose-of-error-can-you-explain-it/40264/2 "2026-03-12T09:20:38Z")

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Which course are you taking? Have you taken the Linux for Robotics course?

The error means that the directory you are trying to create already exists in the current location. So, instead of `mkdir robot_control`, run `cd robot_control`.

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**Author:** ![system](https://get-help.theconstruct.ai/uploads/default/original/2X/9/9d3ce8305cc0d0d9b6e07d15767a6f245c526f1b.jpeg) [@system](https://get-help.theconstruct.ai/u/system)\
**Post date:** [March 17, 2026, 9:20am UTC](https://get-help.theconstruct.ai/t/what-is-purpose-of-error-can-you-explain-it/40264/3 "2026-03-17T09:20:56Z")

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