Traceback (most recent call last):
  File "/home/odoo/src/odoo/13.0/odoo/tools/cache.py", line 85, in lookup
    r = d[key]
  File "/home/odoo/src/odoo/13.0/odoo/tools/func.py", line 69, in wrapper
    return func(self, *args, **kwargs)
  File "/home/odoo/src/odoo/13.0/odoo/tools/lru.py", line 44, in __getitem__
    a = self.d[obj].me
KeyError: ('ir.qweb', <function IrQWeb.compile at 0x7fdf028f82f0>, 7828, ('en_US', True, None, None, False, 1))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/13.0/odoo/tools/cache.py", line 85, in lookup
    r = d[key]
  File "/home/odoo/src/odoo/13.0/odoo/tools/func.py", line 69, in wrapper
    return func(self, *args, **kwargs)
  File "/home/odoo/src/odoo/13.0/odoo/tools/lru.py", line 44, in __getitem__
    a = self.d[obj].me
KeyError: ('ir.ui.view', <function View._read_template at 0x7fdf03859730>, frozenset({258, 130, 3, 4, 6, 7, 259, 273, 276, 20, 159, 164, 165, 167, 173, 174, 45, 54, 55, 183, 190, 192, 193, 200, 329, 201, 215, 121, 226, 99, 100, 102, 231, 103, 105, 106, 109, 238, 239, 240, 116, 249, 254}), 7828, ('en_US', True, None, None, False, 1))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 642, in apply_inheritance_specs
    pre_locate=pre_locate)
  File "/home/odoo/src/odoo/13.0/odoo/tools/template_inheritance.py", line 222, in apply_inheritance_specs
    _("Element '%s' cannot be located in parent view") % tag
ValueError: Element '<xpath expr="//ul">' cannot be located in parent view

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/qweb.py", line 358, in get_template
    document = options.get('load', self.load)(template, options)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_qweb.py", line 121, in load
    template = env['ir.ui.view'].read_template(name)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 1041, in read_template
    return self._read_template(self.get_view_id(xml_id))
  File "<decorator-gen-32>", line 2, in _read_template
  File "/home/odoo/src/odoo/13.0/odoo/tools/cache.py", line 90, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 1033, in _read_template
    arch = self.browse(view_id).read_combined(['arch'])['arch']
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 716, in read_combined
    arch = self.apply_view_inheritance(arch_tree, root.id, self.model)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 665, in apply_view_inheritance
    source = self.apply_inheritance_specs(source, specs_tree, view_id)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 644, in apply_inheritance_specs
    self.raise_view_error(str(e), inherit_id)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 592, in raise_view_error
    raise ValueError(message)
ValueError: Element '<xpath expr="//ul">' cannot be located in parent view

Error context:
View `forum - Use english - #12235`
[view_id: 9073, xml_id: n/a, model: n/a, parent_id: 7828]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_http.py", line 229, in _dispatch
    result = request.dispatch()
  File "/home/odoo/src/odoo/13.0/odoo/http.py", line 803, in dispatch
    r = self._call_function(**self.params)
  File "/home/odoo/src/odoo/13.0/odoo/http.py", line 345, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/odoo/src/odoo/13.0/odoo/service/model.py", line 93, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/odoo/src/odoo/13.0/odoo/http.py", line 341, in checked_call
    result.flatten()
  File "/home/odoo/src/odoo/13.0/odoo/http.py", line 1230, in flatten
    self.response.append(self.render())
  File "/home/odoo/src/odoo/13.0/odoo/http.py", line 1223, in render
    return env["ir.ui.view"].render_template(self.template, self.qcontext)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 1154, in render_template
    return self.browse(self.get_view_id(template)).render(values, engine)
  File "/home/odoo/src/odoo/13.0/addons/website/models/ir_ui_view.py", line 335, in render
    return super(View, self).render(values, engine=engine, minimal_qcontext=minimal_qcontext)
  File "/home/odoo/src/odoo/13.0/addons/web_editor/models/ir_ui_view.py", line 25, in render
    return super(IrUiView, self).render(values=values, engine=engine, minimal_qcontext=minimal_qcontext)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_ui_view.py", line 1162, in render
    return self.env[engine].render(self.id, qcontext)
  File "/home/odoo/src/custom/test/openerp_test/models/ir_qweb.py", line 32, in render
    return super(IrQWeb, self).render(id_or_xml_id, values=values, **options)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_qweb.py", line 58, in render
    result = super(IrQWeb, self).render(id_or_xml_id, values=values, **context)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/qweb.py", line 260, in render
    self.compile(template, options)(self, body.append, values or {})
  File "<decorator-gen-52>", line 2, in compile
  File "/home/odoo/src/odoo/13.0/odoo/tools/cache.py", line 90, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/ir_qweb.py", line 113, in compile
    return super(IrQWeb, self).compile(id_or_xml_id, options=options)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/qweb.py", line 277, in compile
    element, document = self.get_template(template, options)
  File "/home/odoo/src/odoo/13.0/odoo/addons/base/models/qweb.py", line 363, in get_template
    path = options['last_path_node']
KeyError: 'last_path_node'