Repairing cryfs

I am using the plasma-vault.
Some of my files are corrupted:

./.ssh_20180502/known_hosts.BNHi4klH9P
find: ‘./.ssh_20180502/config’: Input/output error

How can we repair these files ?

This site is for the co-ordination of the Ubuntu projects, and not support.

For Ubuntu Support options, there are many listed at https://community.ubuntu.com/t/finding-help/712