Acronis Backup 12.5: Error "The following quota is reached" when using Cloud Deployment

 Symptoms

1. You use Cloud deployment rather than on-premises Management Server.
2. You install Agent on a machine and add the Agent to Cloud console successfully.
3. When you try to apply a backup plan to the machine, you get the following error:

   The following quota reached for <your account>: Number of <type of machine>