Could not find com.google.android.gms:play-services-map:15.0.1

#1

I want to build my App which contains google maps plugin but this error show up (>could not find com.google.android.gms:play-services-map:15.0.1),
I am sure that google repository Updated to the latest version which is (11.0.4).

I already knew that I should add google() to repositories , done but same error again.

When I tried to downgrade version in( app/ build.gradle ) I got another many damaged in building process .
I need help, please .