R1soft Error : "not enough data in sum file to read BlockSum"

CDP returns error when creating backup of a server:

Error:

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not enough data in sum file to read BlockSum.
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Cause:

This error generally means the file system or volume has been resized.


Resolution:

You will have to create a new Disk Safe.

Steps to create new disk safe:
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1. CDP Server -> Hosts -> [ipaddressofhost added].
2. Click 'Disk safes' on the menu.
3. Select 'New Disk safe' in the right corner of the page.
4. We will get 'Continue starting new Disk Safe for 10.5.1.124?'. Give 'continue' and create the 'new disk safe'. (Leave all default)

Then initiate the backup again. This will fix the issue :)

Have a nice day :)