Acronis Backup Cloud: Physical Data Shipping option in backup plan is ommitted in v.7.7 if backup was created with v.7.5 Agent

Symptoms

1. You have created a Physical Data Shipping backup plan in version 7.5.
2. The management components of your data center have been updated to version 7.7, but the new agent is not available in your data center yet.
3. You run the Physical Data Shipping backup plan and send the baсkup to upload.
4. The new agent becomes available in your data center and you update the agent.