Failed to revert the execution state of the virtual machine to snapshot.
Failure to revert to the execution state of the VM.
Review VMware online documents such as vSphere Troubleshooting Guide to resolve virtual machine issues. For more information on VM snapshots, see VMware KB article Understanding virtual machine snapshots in VMware ESXi and ESX (1015180).
Refer to the VMware Online Documentation, for more information on vCenter event messages and possible solutions.