This error may occur if:

• Your Deployment Manager server is out of date
• The agent handling the deployment is out of date (but your Deployment Manager server is up to date)

If your Deployment Manager server is out of date

You can check the version of Deployment Manager you are running on the bottom of any page in the web interface:

If you need to upgrade Deployment Manager, see Upgrading.

If the Deployment Manager server is up to date but the error still occurs, you may need to upgrade the agents.

If your agents are out of date

If you need to upgrade Deployment Manager or its agents, see Upgrading.

If none of the above advice fixes your problem, contact support.