Build failed

[Karjout]

FAILURE: Build failed with an exception.

• What went wrong:
  A problem occurred configuring root project 'axelor-erp'.

Could not resolve all artifacts for configuration ':classpath'.
Could not resolve com.axelor:axelor-gradle:5.4.+.
Required by:
project :
> Failed to list versions for com.axelor:axelor-gradle.
> Unable to load Maven meta-data from https://jcenter.bintray.com/com/a
xelor/axelor-gradle/maven-metadata.xml.
> Could not get resource 'https://jcenter.bintray.com/com/axelor/axe
lor-gradle/maven-metadata.xml'.
> Could not GET 'https://jcenter.bintray.com/com/axelor/axelor-gr
adle/maven-metadata.xml'. Received status code 502 from server: Bad Gateway

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug
  option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 36s

[sdn3098]

i have the same issue can anyone help