How to ignore collision on all dynamic obstacles?

I’m facing the following problem:
I am generating a lot of meshes which are marked as dynamic obstacles with area class set to obstacle.
The navmesh is generated correctly (dynamic obstacles color the navmesh red).
The problem that occurs is that when an AI agent has no other option but to pass through an obstacle area it collides with the mesh and doesn’t pass through.
I want all AI agents to ignore dynamic obstacles’ collision since the navmesh already contains the necessary information. But I can’t set the pawn collision channel on dynamic obstacles to ignore since this stops it from contributing to the navmesh.
Any ideas?

I’ve solved the problem by using SphereComponents (marked as dynamic obstacles) and disabled collision for all meshes.