Как исправить ошибку с build.gradle?

sync failed	48s 267ms
Starting Gradle Daemon	5s 651ms
Run build	19s 661ms
Load build	10s 891ms
Configure build	7s 843ms
Load projects	928ms
rootProject	480ms
Configure project :	6s 388ms
Apply plugin org.gradle.help-tasks	36ms
Apply script build.gradle	6s 273ms
Resolve dependencies of :classpath	5s 896ms
Download https://jcenter.bintray.com/com/sun/activation/javax.activation/1.2.0/javax.activation-1.2.0.pom	4s 716ms
Download https://dl.google.com/dl/android/maven2/com/sun/activation/javax.activation/1.2.0/javax.activation-1.2.0.pom	156ms

Download https://jcenter.bintray.com/com/sun/activation/javax.activation/1.2.0/javax.activation-1.2.0.pom	4s 716ms