If you use the “Set Actor Enable Collision” node in the construction script of a blueprint class (leave New Actor Enable collision unchecked for no collision), go to play, stop, and then delete the node - The engine still thinks that for some reason there should be no collision on the object.
Only way to fix it I’ve found is to delete the object from the world, and then place a new one.
Repro:
I’m using the First Person template. Make an actor blueprint class. Add a cube static mesh component to it. Place the object in the game world. Go to the construction script, and connect this node:
Hit play - notice that the object has no collision - as it should be.
Go back to the construction script, and delete the “Set Actor Enable Collision” node.
Recompile, save.
Hit play - notice that the object still has no collision - even though we got rid of the node.
The construction script is only run when the actor is destroyed and recreated, typically during movement. It is primarily used during level editing. Move the asset after compiling the blueprint and see if the error is addressed, if not, delete the copy of the asset and create a new one and it should be working the way you expect. If you are wanting to control collision during PIE, I would recommend utilizing the Event Begin Play or other events that are intended for PIE.
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