[ovirt-users] Failed to delete snapshot '<UNKNOWN>' for VM

Hi I am getting theese events 2-3 times every minute, any ideas ? Failed to delete snapshot '<UNKNOWN>' for VM ‘khk9dsw16’ I have tried : Restarting VM Set the host to maintenaince an activated again Restarted ovirt-engine on Manager SW : oVirt Engine Version: 4.0.1.1-1.el7.centos -- Kind regards Peter Calum