Pink and orange texture glitch in vanilla port

[Milkeno]

What is this and how do I fix it?

[Kinsie]

Some more technical info can be found on the Doom Wiki: Tutti-Frutti Effect

[Edward850]

Textures must be 128 units tall. A texture smaller than 128 must be on a wall of equal size and cannot tile.

Edited June 16, 2024 by Edward850