Nav mesh like is missing / ai is not moving and game freeze when Ai see player first time

i finded this using default filter in project point on navmesh sometimes
is crashing engine or freeze for solid 2-5 min or never is unfreezing
i thing it should throw a error not freeze or crash

main error

LogOutputDevice: Error: Ensure condition failed: AsAIController [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/AIModule/Private/Navigation/NavFilter_AIControllerDefault.cpp] [Line: 18]

log [link text][1]

Bp: Custom move to (broken) posted by anonymous | blueprintUE | PasteBin For Unreal Engine 4

(sorry for title google key wording :D)

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