The file R:\Restore\Backup\Core VMs\europa\europa-ctk.vmdk is missing, error 3 means: "The system cannot find the path specified."
Try to recover your VMDK files with workstation or vdiskmanager. Btw the other machine has a similar, but not fatal, problem: DISKLIB-CTK : Read to offset 4358656, len 16384 on "R:\Restore\Backup\Core VMs\jupiter\Jupiter-ctk.vmdk" failed.
HTH