Foliage erasing tool not working with certain paint settings

Summary

The eraser in foliage mode is not working when the paint density setting is set to more than 180

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

1.Create a new landscape
2. Import a Fortnite foliage static mesh
3. Paint it onto the landscape with a density higher than 200
4. Use the erase tool to erase some of it. It won’t work when the paint ( not erase) density is 180 and above
5. Set paint density to 100. Now the eraser works.

Expected Result

The foliage should be erased no matter the paint density setting, or the influence of paint density on erase density should be documented.

Observed Result

Erasing is not working in an intuitive way

Platform(s)

Windows 10