Wireframe transmisssion on water

Anyone know how to solve this or is a bug of alfa 4.1 blender

I use standard transmission material and have high max bounces and smooth shade i don´t know where is the problem

Welcome :tada:

…the question might be… since you use some modifiers on your Sphere.001:thinking:

What’s your setup… ?? And maybe… does this also show up in the render… or only in the renderd preview… (different settings…) ??