Unable to Remove the VM from RHEVM manager 3.1 as well as from RHEVM shell

Respected Sir/Madam

I am unable to remove the vms from rhevm 3.1.4 manager UI as well as from rhevm shell

By giving following commands

# remove vm "vmname" --async

as well as

# remove vm "vmname" force

its giving the following error

error:
status: 400
reason: Bad Request
detail:

Please respond ASAP