invoke-vmscript an error occured while sending the request

The error is mentioning that i may be related to the vmware tools being too low, which I need to check, if it is should I just downgrade my powercli version if I can't restart these

Here is the basic script I'm running

$vms=Get-VM

foreach ($vm in $vms)

{

    Invoke-VMScript -VM $vm -ScriptText $script -GuestUser $guestuser -GuestPassword $guestpassword

}

and the error