Bamboo builds for Confluence 7.4.0 and run atlas-run-standalone for confluence is failing.
the message is Failed to execute goal com.atlassian.maven.plugins:amps-maven-plugin:8.9.0:run-standalone (default-cli) on project standalone-pom: Unable to find/resolve artifact.: The following artifacts could not be resolved: com.atlassian.synchrony:synchrony-proxy:war:4.0.5 (absent): Could not find artifact com.atlassian.synchrony:synchrony-proxy:war:4.0.5 in maven-central (https://repo1.maven.org/maven2/) -> [Help 1]
Unable to find/resolve artifact.: The following artifacts could not be resolved: com.atlassian.synchrony:synchrony-proxy:war:4.0.5 (absent): Could not find artifact com.atlassian.synchrony:synchrony-proxy:war:4.0.5 in maven-central (https://repo1.maven.org/maven2/)