Strange line as I move

[Ryuzaki Hakira]

When I'm running forward, there's a line of flicker along the bottom of my feet. Is that a bug?

My CPU specs

Device name    DESKTOP-79RIBNL
Processor    AMD Ryzen 5 5600G with Radeon Graphics            3.90 GHz
Installed RAM    16.0 GB (15.4 GB usable)
Device ID    CC432433-AEF6-40C6-986A-50CEF62AF8FD
Product ID    00331-10000-00001-AA351
System type    64-bit operating system, x64-based processor

video card   NVIDIA GeForce RTX 2060