ERROR:tryton.common.common:  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/list.py", line 1019, in __sig_switch
    if not self.screen.row_activate() and self.children_field:
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/main.py", line 709, in menu_row_activate
    return Action.exec_keyword('tree_open', {
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/action/main.py", line 187, in exec_keyword
    Action.execute(action, data, context=context)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/action/main.py", line 55, in execute
    Action._exec_action(action, data, context=context)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/action/main.py", line 135, in _exec_action
    Window.create(res_model,
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/window.py", line 32, in create
    win = Form(model, **attributes)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/form.py", line 56, in __init__
    self.screen = Screen(self.model, breadcrumb=[self.name], **attributes)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 140, in __init__
    self.switch_view()
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 555, in switch_view
    self.load_view_to_load()
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 580, in load_view_to_load
    self.add_view_id(view_id, view_type)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 596, in add_view_id
    return self.add_view(view)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/screen/screen.py", line 623, in add_view
    view = View.parse(
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 73, in parse
    return ViewTree(view_id, screen, root, children_field)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/list.py", line 454, in __init__
    super().__init__(view_id, screen, xml)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 36, in __init__
    ).parse(xml)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 132, in parse
    parser(node, node_attrs)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/list.py", line 287, in _parse_tree
    self.parse(child)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/__init__.py", line 132, in parse
    parser(node, node_attrs)
  File "/home/wifasoi/.local/lib/python3.10/site-packages/tryton/gui/window/view_form/view/list.py", line 291, in _parse_field
    widget = self.WIDGETS[attributes['widget']](self.view, attributes)

KeyError: 'widget'