Mount Recovery Points for a Linux Machine Agentless


I've mounted recovery point of linux agentless failed about permissions.

(Rapid Recovery mount) m 3 2 a /mnt/test
Getting volume details from server…
Attaching to local block device …
Successfully attached volume image ’44350188-5e7b-4b9c-b66f-d5a25acc0f20:2′ to /dev/nbd1
Mounting ‘/dev/nbd1′ to ‘/mnt/test′ as readonly…failed. Please make sure you have the appropriate permissions. Are you running with sudo?

How to mount recovery point for agentless linux ?

Rapid Recovery 6.0.2

Thank you,