Error Test Recovery

Hi all. Today we run Test Recovery and one VM have this error: Test Recovery Plan  No hosts with hardware version '8' and datastore(s)

We have 4 VM and one of the three VM version 8, remaining 3 VM version 10. This VM have this error.

All ESXi version 5.5 U3b.

Test Recovery Plan

No hosts with hardware version '8' and

datastore(s)

'"P9500"' which are powered

on and not in maintenance mode are

available.