# Detour crowd cause character stuck on landscape

**URL:** <https://forums.unrealengine.com/t/detour-crowd-cause-character-stuck-on-landscape/467146>\
**Category:** AI\
**Tags:** detour-crowd-ai-cont, unreal-engine, Landscape, Blueprint, question\
**Created:** [June 23, 2020, 6:55pm UTC](https://forums.unrealengine.com/t/detour-crowd-cause-character-stuck-on-landscape/467146 "2020-06-23T18:55:32Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![WFredC](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@WFredC](https://forums.unrealengine.com/u/WFredC)\
**Post date:** [June 23, 2020, 6:55pm UTC](https://forums.unrealengine.com/t/detour-crowd-cause-character-stuck-on-landscape/467146/1 "2020-06-23T18:55:32Z")

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My character cannot move normally on the complex landscape when the AI controller is inherited from DetourCrowdAIController

here is a video to show the issue: [Crowd AI lagging on lanscape - YouTube](https://youtu.be/37TwjD38yVE)

if inherited from AIController, then everything ok.  
if inherited from DetourCrowdAIController, then stuck in some point of landscape.  
Any suggestion to fix this issue?

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**Author:** ![nansP](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@nansP](https://forums.unrealengine.com/u/nansP)\
**Post date:** [July 31, 2020, 9:57am UTC](https://forums.unrealengine.com/t/detour-crowd-cause-character-stuck-on-landscape/467146/2 "2020-07-31T09:57:27Z")

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Hi WFredC,  
I have the same problem here, did you find any solution since?

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**Author:** ![WFredC](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@WFredC](https://forums.unrealengine.com/u/WFredC)\
**Post date:** [July 31, 2020, 10:58am UTC](https://forums.unrealengine.com/t/detour-crowd-cause-character-stuck-on-landscape/467146/3 "2020-07-31T10:58:35Z")

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No… have no idea to fix that, I just make the landscape more smooth to avoid the bug happen.