Hi team;
The only solution to this error that I have found for no is “restart Veeam services or either restart the server itself”
You can use the following power shell script for that:
Get-process | where {($_.Name -like "Veeam*")} | stop-process -Force
Get-Service | where {($_.Name -like "Veeam*")-and ($_.Status -eq "Running")} | Stop-service -Force
Get-Service | where {($_.Name -like "Veeam*")-and ($_.Status -eq "Stopped")} | Start-service
Regards