Inconsistent navigation area before and during runtime

Development Programming & Scripting Blueprint
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1

The navigation area does not match during runtime and before runtime.
It looks like it is moved upwards.
What is wrong?

Before Runtime

9346f7e2e405b21dcd75594f69086834
9346f7e2e405b21dcd75594f690868341463×691 91.3 KB

After Runtime
928663bcf197de6825b5abd35dcbee20
928663bcf197de6825b5abd35dcbee201473×660 82.1 KB

And I add a box.

before

b946508fab12b85cb4474f6d6cbc39f8
b946508fab12b85cb4474f6d6cbc39f8784×455 32.1 KB

after
16abe1207f9d57f31621ee8d9a3bc750
16abe1207f9d57f31621ee8d9a3bc750829×456 31.3 KB

2

Noticed the same issue. No concrete fix yet. We’ve been compiling the level blueprint or nudging the nav volume to get it to snap back in place.

3

So this could be due to the engine?
But No matter how I adjust the grid, the navigation area will always be above. :sob: