ADetourCrowdAIController error lnk2019

Development Programming & Scripting AI
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1

I want to inherit my ai controller form ADetourCrowdAIController, but error LNK2019 happens.

AIModule has been added to the project settings, so what is the problem?

UCLASS()
class W_API AW_AIController : public ADetourCrowdAIController

2

I am also having this problem. User here had it as well:

https://forums.unrealengine.com/development-discussion/c-gameplay-programming/118639-adetourcrowdaicontroller-in-c

Still no change as of the UE4.21.1 release.