Texture loads weird

Hello Shapedivers,

I have a problem with a texture. Its a simple concrete base with color on the sides. As you can see it simply looks white an a very bright yellow


The textures should look like this:

I tested if it was the light or roughness, but here you can see that is also not about being too bright or too glossy:

Can you tell me what could it be?
Here is the link: ShapeDiver