Why I can't build my UE project?

Question

Jan Svoboda 2022-6-15

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https://ww2.mathworks.cn/matlabcentral/answers/1741445-why-i-can-t-build-my-ue-project

回答： Milan Bansal 2023-12-22

Hello, I want to simulate autonomous vehicle using Unreal Engine 4.23 with Matlab 2021a. I have done everything as in "Install support package and configure enviroment" followed by "Get started communicating with Unreal Engine". However, when I replace code as in tutorial, solution won't build. First error, that shows is

Severity	Code	Description	Project	File	Line	Suppression State
Error	C2027	use of undefined type 'ASetGetActorLocation'	MyProject	C:\Users\Dell\Documents\GitHub\DV-Simulatorr\MyProject\Source\MyProject\Private\SetGetActorLocation.cpp	5

Does anyone have same problem? Or is there any workaround? I want to set locations of cones through Message Data Set.

Thank you for any help.

Jan.

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Jan Svoboda 2022-6-16

Just to clarify, I am sure that everything is included.

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Answer 1

Milan Bansal 2023-12-22

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https://ww2.mathworks.cn/matlabcentral/answers/1741445-why-i-can-t-build-my-ue-project#answer_1376087

Hi Jan Svoboda,

It is my understanding that you are facing an build error when trying to simulate an autonomous vehicle using Unreal Engine 4.23 with MATLAB 2021a.

The error message "Error C2027 use of undefined type 'ASetGetActorLocation'" generally means that the compiler cannot find the definition for the class "ASetGetActorLocation". This could be due to a missing include statement or an issue with the project's setup that prevents the compiler from locating the header file where "ASetGetActorLocation" is defined.

To resolve the issue:

please ensure that the header file for "ASetGetActorLocation" is indeed included in "SetGetActorLocation.cpp".
Also ensure that the header file that defines "ASetGetActorLocation" is located in the project's include directories.