Unnable to list snapshots in Elasticsearch repository

[KA3AXCTAH]

and i have another snapshot repository ( separate dir on NFS share) that thorws this error when i'm try to list snaps
and error the same as

IOException when trying to create snapshot Unexpected end-of-input in VALUE_STRING

We've a 6.8 elastisearch cluster using the gcp plugin to store snapshots running on a cron. We've been running a cron to periodically create snapshots of our elasticseearch 6.8 cluster using: http://...../_snapshot/index-09-09-2020?wait_for_complatetion=true It's been working for a 1 year+ when we've started noticing snapshots failing from IOExceptions. "reason": "[gcp_snapshots] could not read repository data from index blob", "caused_by": { "type": "i_o_exception",…