Answer
The version of Junos OS that is installed on the router must support the Junos Continuity software package.
A message similar to the following appears if the version of Junos OS that is installed on the router does not support Junos Continuity software:
WARNING: This base version of JUNOS will not properly
WARNING: support this package. Please install base OS
WARNING: JUNOS 14.1 or newer first. You can do this via
WARNING: a jinstall package or install-media.
For more information about Junos Continuity packages and supported Junos OS releases, see Junos Continuity Software Overview.