INFO:tryton.rpc:model.ir.action.keyword.get_keyword('tree_open', ('ir.ui.menu', 190), {'client': 'f9aa0ef3-0d37-404f-985c-a56c05ca48fd', 'warehouse': None, 'employee': None, 'company': 1, 'company.rec_name': 'PRECIBALL SA', 'language': 'en', 'language_direction': 'ltr', 'groups': [4, 5, 27, 1, 30, 7, 31, 2, 8, 32, 3, 24, 6, 26, 28, 14, 13, 17, 20, 19, 29, 18, 21, 15, 16, 10, 9, 11, 12, 25]})
INFO:tryton.jsonrpc:(cached) model.ir.action.keyword.get_keyword ["tree_open",["ir.ui.menu",190],{"client":"f9aa0ef3-0d37-404f-985c-a56c05ca48fd","warehouse":null,"employee":null,"company":1,"company.rec_name":"PRECIBALL SA","language":"en","language_direction":"ltr","groups":[4,5,27,1,30,7,31,2,8,32,3,24,6,26,28,14,13,17,20,19,29,18,21,15,16,10,9,11,12,25]}]
INFO:tryton.rpc:model.purchase.requisition.fields_view_get(578, 'tree', {'client': 'f9aa0ef3-0d37-404f-985c-a56c05ca48fd', 'warehouse': None, 'employee': None, 'company': 1, 'company.rec_name': 'PRECIBALL SA', 'language': 'en', 'language_direction': 'ltr', 'groups': [4, 5, 27, 1, 30, 7, 31, 2, 8, 32, 3, 24, 6, 26, 28, 14, 13, 17, 20, 19, 29, 18, 21, 15, 16, 10, 9, 11, 12, 25]})
INFO:tryton.jsonrpc:(cached) model.purchase.requisition.fields_view_get [578,"tree",{"client":"f9aa0ef3-0d37-404f-985c-a56c05ca48fd","warehouse":null,"employee":null,"company":1,"company.rec_name":"PRECIBALL SA","language":"en","language_direction":"ltr","groups":[4,5,27,1,30,7,31,2,8,32,3,24,6,26,28,14,13,17,20,19,29,18,21,15,16,10,9,11,12,25]}]
ERROR:tryton.common.common:  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/view/list.py", line 948, in __sig_switch
    if not self.screen.row_activate() and self.children_field:
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/main.py", line 705, in menu_row_activate
    return Action.exec_keyword('tree_open', {
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/action/main.py", line 192, in exec_keyword
    Action.execute(action, data, context=context)
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/action/main.py", line 65, in execute
    Action._exec_action(action, data, context=context)
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/action/main.py", line 139, in _exec_action
    Window.create(res_model,
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/window.py", line 32, in create
    win = Form(model, **attributes)
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/form.py", line 46, in __init__
    self.screen = Screen(self.model, **attributes)
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/screen/screen.py", line 139, in __init__
    self.switch_view()
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/screen/screen.py", line 514, in switch_view
    self.load_view_to_load()
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/screen/screen.py", line 541, in load_view_to_load
    self.add_view_id(view_id, view_type)
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/screen/screen.py", line 554, in add_view_id
    return self.add_view(view)
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/screen/screen.py", line 581, in add_view
    view = View.parse(
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/view/__init__.py", line 72, in parse
    return ViewTree(view_id, screen, root, children_field)
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/view/list.py", line 498, in __init__
    self.display()
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/view/list.py", line 1029, in display
    self.update_arrow()
  File "/home/mrichez/Workspace/tryton/tryton_dev/tryton/tryton/gui/window/view_form/view/list.py", line 538, in update_arrow
    direction = {

KeyError: None