Buggy tilemap with lines going through terrain

[system]

	Attention	Topic was automatically imported from the old Question2Answer platform.
	Asked By	Moosyu

I am new to game development and I don’t know what the problem is or how to fix it, sorry if this is a duplicate question but I don’t understand what the problem is called. An image of the bug is below,
Thanks!

glitch hosted at ImgBB

Please specify your exact Godot version such as 3.3.2 instead of writing “latest” in the version field.

Calinou | 2021-06-19 04:17

I have changed it to 3.3.2

Moosyu | 2021-06-19 04:46

[system]

	Reply From:	lewis glasgow

go to settings/rendering/2d/gpu pixel snap and turn it on and then restart godot