Acronis Backup Cloud: backup fails with "One or more machines are not assigned a license" or "Functionality 'XX' is not available. Please use the appropriate license."

Symptoms

Agent version is 9940 or newer is installed. Backup fails with an error message inapplicable to Acronis Backup Cloud:"One or more machines are not assigned a license" or "Functionality 'XX' is not available. Please use the appropriate license."

Cause

The issue requires investigation.