android studio could not find android.support:appcompat-v7:21.0.3? -


error:(25) problem occurred evaluating root project 'side-menu.android-master'.

failed apply plugin [id 'android-reporting']

a problem occurred configuring project ':app'.

  > problem occurred configuring project ':library'.       > not resolve dependencies configuration ':library:_debugcompile'.          > not find com.android.support:appcompat-v7:21.0.3.            searched in following locations:                https://jcenter.bintray.com/com/android/support/appcompat-v7/21.0.3/appcompat-v7-21.0.3.pom                https://jcenter.bintray.com/com/android/support/appcompat-v7/21.0.3/appcompat-v7-21.0.3.jar            required by:                com.yalantis:library:1.0

first time use android studio , met problem this, me !


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