[Error] Could not find com.android.support:support-v4:23.4.0.

## 현상 A problem occurred configuring project ':SlidingMenu'. > Could not resolve all dependencies for configuration ':SlidingMenu:_debugPublishCopy'. > Could not find com.android.support:support-v4:23.4.0. Required by: project :SlidingMenu Possible solution: - Declare repository providing the artifact, see the documentation at https://docs.gradle.org/current/userguide/declaring_repositories.html..

2020.12.08