# Services quiz in ros in 5 days

**URL:** <https://get-help.theconstruct.ai/t/services-quiz-in-ros-in-5-days/264>\
**Category:** ROS Basics In 5 Days (Python)\
**Created:** [August 6, 2019, 4:18pm UTC](https://get-help.theconstruct.ai/t/services-quiz-in-ros-in-5-days/264 "2019-08-06T16:18:18Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![miryalkar.ashish1234](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/miryalkar.ashish1234/32/6967_2.png) [@miryalkar.ashish1234](https://get-help.theconstruct.ai/u/miryalkar.ashish1234)\
**Post date:** [August 6, 2019, 4:18pm UTC](https://get-help.theconstruct.ai/t/services-quiz-in-ros-in-5-days/264/1 "2019-08-06T16:18:18Z")

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ERROR: Unable to load type [services\_quiz/BB8CustomServiceMessage].  
Have you typed ‘make’ in [services\_quiz]?  
i’m getting this error when i typed  
rosservice info /move\_bb8\_in\_square\_custom  
I got node,type but in place of Args getting the above error!  
have been trying this for a while now, need a solution at the earliest!  
Thanks.

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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:** [August 6, 2019, 6:55pm UTC](https://get-help.theconstruct.ai/t/services-quiz-in-ros-in-5-days/264/2 "2019-08-06T18:55:24Z")

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Hey @miryalkar.ashish1234,

Please check the hints in this post and let us know if it helps.

> **[ERROR: Cannot load message class for \[package/Message\]. Are your messages built?](https://get-help.theconstruct.ai/t/error-cannot-load-message-class-for-package-message-are-your-messages-built/55)**
>
> This error usually happens when you create a custom ROS message. SOLUTION: Please check the following in order. Painfully 🙂, #3 is a common and repeated cause, and it tends to happen even if you already know about it! Have you made the...

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**Author:** ![miryalkar.ashish1234](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/miryalkar.ashish1234/32/6967_2.png) [@miryalkar.ashish1234](https://get-help.theconstruct.ai/u/miryalkar.ashish1234)\
**Post date:** [August 8, 2019, 4:14pm UTC](https://get-help.theconstruct.ai/t/services-quiz-in-ros-in-5-days/264/3 "2019-08-08T16:14:00Z")

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hi!  
I tried everything i know and whatever you suggested, can you please check my code and let me know wehre am i actually going wrong?  
i’m on this for past 2 days.

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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:** [August 12, 2019, 11:06am UTC](https://get-help.theconstruct.ai/t/services-quiz-in-ros-in-5-days/264/4 "2019-08-12T11:06:54Z")

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Hi @miryalkar.ashish1234,

Sorry for all the trouble 😒. Are you able to resolve this yet? If not, you can send your package to [baderinola@theconstructsim.com](mailto:baderinola@theconstructsim.com).

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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:** [September 8, 2021, 8:39am UTC](https://get-help.theconstruct.ai/t/services-quiz-in-ros-in-5-days/264/5 "2021-09-08T08:39:13Z")

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