Code Scanning in Cloud Manager | AEM as Cloud Service | Fails

Step errors

• The SonarQube quality scan could not be performed due to an internal connectivity issue. This may be caused by custom configuration. More details may be found in the log. If this recurs, please contact Adobe Support.

We get above error executing the pipeline and in logs it gives

sonar (default-cli) on project racv-aem: Can not execute Findbugs with a timeout threshold value of 1200000 milliseconds: TimeoutException -> [Help 1]

Let us know how can we debug it furthur it looks all classes even external dependencies are getting scanned.