not resolve com.tencent.mm.opensdk:wechat-sdk-android-without-mta:+.

  Required by:

      project :app

   > Failed to list versions for com.tencent.mm.opensdk:wechat-sdk-android-without-mta.

      > Unable to load Maven meta-data from https://jcenter.bintray.com/com/tencent/mm/opensdk/wechat-sdk-android-without-mta/maven-metadata.xml.

         > Could not HEAD 'https://jcenter.bintray.com/com/tencent/mm/opensdk/wechat-sdk-android-without-mta/maven-metadata.xml'. Received status code 502 from server: Bad Gateway

implementation 'com.tencent.mm.opensdk:wechat-sdk-android-without-mta:+'