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AIPerception ignores placed actor in world

Hi, I implemented a inventory system similar to the one described in this UE4 tutorial https://youtu.be/r4tltrLLVuQ If a Item is picked up, it becomes hidden in game and collision is disabled. The problem is the AIPerception system still "sees" the items in the world. If I drop the Item back in the world, the actor gets a new location and is visible again collision is also enabled. The second problem here is, the AIPerception System doesn't notice the new location. Can somebody help me with this problem?

Product Version: UE 4.18
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asked Nov 11 '17 at 10:13 PM in Using UE4

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ljms
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