Cannot publish Job to the Nexus Releases repository.
You are trying to redeploy the same version of the Job to Nexus. By default, the Redeploy option in the Releases repository is disabled, so trying to redeploy fails.
To enable redeployment in Nexus:
In Access Settings, change Deployment Policy to Allow Redeploy:
Talend recommends deploying or redeploying Jobs as Snapshots; then, when the final build is ready, deploying to Releases.