How to rotate cube texture material ?

Hi!
I have my own skybox with a cube texture and I want to rotate it by every tick. But the material is distorted after any changes to the vector. I have no idea how to make it work…

Panner

Thanks for answer, but Panner does not work with reflection vector

Solution
https://forums.unrealengine.com/t/panning-a-dds-cubemap/