Error when trying opening content menu on VM

[panaceya]

Hello!

This is trace after xe vm-params-set uuid=x HVM-boot-policy='Bios order'

Traceback (most recent call last):
  File "./src/OXM/window.py", line 1401, in on_treevm_button_press_event
    self.update_tabs()
  File "./src/OXM/window.py", line 684, in update_tabs
    self.xc_servers[self.selected_host].update_tab_vm_general(self.selected_ref, self.builder)
  File "./src/OXM/oxcSERVER.py", line 1472, in update_tab_vm_general
    for param in list(self.all_vms[ref]['HVM_boot_params']['order']):
KeyError: 'order'

Vm running.

XenServer 6.1:

# xe vm-param-list uuid=61.. 

               HVM-boot-params (MRW): struct: