Upgrade error Panorama 10.2.0 to 10.2.1

[Buck_Smooth]

Getting the following message trying to upgrade Panorama to 10.2.1.  There is disk space available on the VM and datastore, I've tried rebooting as well.

• Failed to install 10.2.1 with the following errors.
• SW version is 10.2.1
• Nothing pending to cancel
• Error: findfs: unable to resolve 'LABEL=sysroot0'
•  
• Failed to install version 10.2.1 type cms

[m0tash]

Reboot into maintenance mode and perform FSCK for mentioned partition. It resolved my issue.