All com.android.support libraries must use the exact same version specification

[yigitserin]

I am getting this error on my gradle file. It builds and works fine but it's still annoying to have.

It looks like this: https://i.imgur.com/VRF2RNt.png

I think the support libraries should be updated to 27.1.1 from 27.0.1.

[EslamWaheed]

the same error here