Event ID 80 Hyper-V-Shared-VHDX in SQL Server

Dears

We have VM working in hyper v 2012 R2 we facing the issue after facing backup,

Event ID 80 Hyper-V-Shared-VHDX

Error attaching to volume. Volume: \Device\HarddiskVolumeShadowCopy62. Error: The specified request is not a valid operation for the target device..
Error attaching to volume. Volume: \Device\HarddiskVolumeShadowCopy61. Error: The specified request is not a valid operation for the target device..
 This issue happing in cluster Server we are using Veritas application for backup

We keeing VM and Storage to same VM but still facing same issue ?

https://www.experts-exchange.com/questions/29003325/Error-Log-in-Microsoft-Hyper-V-Shared-VHDX-section-after-backup.html

https://forums.veeam.com/veeam-backup-replication-f2/failed-to-invoke-func-t44712.html

We need solve this issue no impact from backup but we want to know why this happing after backup only in cluster

Regards