Error : Program type already present: android.support.design.widget.CoordinatorLayout$Behavior

Question

I am getting the following error while building the project. haven\'t used CoordinatorLayout in this project. just added as a dependency in build.gradle :

I am usin

Answer 1

This can happens when one library is loaded into gradle several times. Most often through other connected libraries.

Remove a implementation this library in build.gradle

Then Build -> Clear project

and you can run the assembly)