Solved: Why does my eraser tool leaves an ugly trace mark? - Adobe Community - 8249728
Solved: Re: Why does my eraser tool leaves an ugly trace m... - Adobe Community - 8249728
Paint brush and erase tools not working correctly on one layer - Pre-V2 Archive of Affinity on Desktop Questions (macOS and Windows) - Affinity | Forum
Lesson 15: Pencil, Smooth and Path Eraser Tools - Swotster