If you see this error:
Error: Server Error Traceback (most recent call last): File "/usr/lib/python3/dist-packages/odoo/models.py", line 1108, in _validate_fields check(self) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 345, in _check_xml view_def = view.read_combined(['arch']) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 794, in read_combined arch = self.apply_view_inheritance(arch_tree, root.id, self.model) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 742, in apply_view_inheritance source = self.apply_inheritance_specs(source, specs_tree, view_id) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 720, in apply_inheritance_specs self.raise_view_error(_("Element '%s' cannot be located in parent view") % tag, inherit_id) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 548, in raise_view_error raise ValueError(message) ValueError: Element '<xpath expr="//div[hasclass('o_brand_promotion')]">' cannot be located in parent view Error context: View `website_sale.brand_promotion` [view_id: 2290, xml_id: n/a, model: n/a, parent_id: 1047] During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 758, in parse self._tags[rec.tag](rec, de, mode=mode) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 736, in _tag_template return self._tag_record(record, data_node) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 663, in _tag_record record = model.with_context(rec_context)._load_records([data], self.mode == 'update') File "/usr/lib/python3/dist-packages/odoo/models.py", line 3868, in _load_records records = self._load_records_create([data['values'] for data in to_create]) File "/usr/lib/python3/dist-packages/odoo/addons/website/models/ir_ui_view.py", line 129, in _load_records_create records = super(View, self)._load_records_create(values) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3782, in _load_records_create return self.create(values) File "<decorator-gen-32>", line 2, in create File "/usr/lib/python3/dist-packages/odoo/api.py", line 462, in _model_create_multi return create(self, arg) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 428, in create return super(View, self).create(vals_list) File "<decorator-gen-3>", line 2, in create File "/usr/lib/python3/dist-packages/odoo/api.py", line 462, in _model_create_multi return create(self, arg) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3599, in create fields[0].determine_inverse(batch_recs) File "/usr/lib/python3/dist-packages/odoo/fields.py", line 1125, in determine_inverse getattr(records, self.inverse)() File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 275, in _inverse_arch view.write(data) File "/usr/lib/python3/dist-packages/odoo/addons/website/models/ir_ui_view.py", line 41, in write return super(View, self).write(vals) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 444, in write return super(View, self).write(self._compute_defaults(vals)) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3324, in write self._write(store_vals) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3460, in _write self._validate_fields(vals) File "/usr/lib/python3/dist-packages/odoo/models.py", line 1112, in _validate_fields raise ValidationError("%s\n\n%s" % (_("Error while validating constraint"), tools.ustr(e))) odoo.exceptions.ValidationError: ('Error while validating constraint\n\nElement \'<xpath expr="//div[hasclass(\'o_brand_promotion\')]">\' cannot be located in parent view\n\nError context:\nView `website_sale.brand_promotion`\n[view_id: 2290, xml_id: n/a, model: n/a, parent_id: 1047]', None) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/odoo/http.py", line 656, in _handle_exception return super(JsonRequest, self)._handle_exception(exception) File "/usr/lib/python3/dist-packages/odoo/http.py", line 314, in _handle_exception raise pycompat.reraise(type(exception), exception, sys.exc_info()[2]) File "/usr/lib/python3/dist-packages/odoo/tools/pycompat.py", line 87, in reraise raise value File "/usr/lib/python3/dist-packages/odoo/http.py", line 698, in dispatch result = self._call_function(**self.params) File "/usr/lib/python3/dist-packages/odoo/http.py", line 346, in _call_function return checked_call(self.db, *args, **kwargs) File "/usr/lib/python3/dist-packages/odoo/service/model.py", line 97, in wrapper return f(dbname, *args, **kwargs) File "/usr/lib/python3/dist-packages/odoo/http.py", line 339, in checked_call result = self.endpoint(*a, **kw) File "/usr/lib/python3/dist-packages/odoo/http.py", line 941, in __call__ return self.method(*args, **kw) File "/usr/lib/python3/dist-packages/odoo/http.py", line 519, in response_wrap response = f(*args, **kw) File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 966, in call_button action = self._call_kw(model, method, args, {}) File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 954, in _call_kw return call_kw(request.env[model], method, args, kwargs) File "/usr/lib/python3/dist-packages/odoo/api.py", line 759, in call_kw return _call_kw_multi(method, model, args, kwargs) File "/usr/lib/python3/dist-packages/odoo/api.py", line 746, in _call_kw_multi result = method(recs, *args, **kwargs) File "<decorator-gen-61>", line 2, in button_immediate_install File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 74, in check_and_log return method(self, *args, **kwargs) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 445, in button_immediate_install return self._button_immediate_function(type(self).button_install) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_module.py", line 561, in _button_immediate_function modules.registry.Registry.new(self._cr.dbname, update_module=True) File "/usr/lib/python3/dist-packages/odoo/modules/registry.py", line 86, in new odoo.modules.load_modules(registry._db, force_demo, status, update_module) File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 421, in load_modules loaded_modules, update_module, models_to_check) File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 313, in load_marked_modules perform_checks=perform_checks, models_to_check=models_to_check File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 222, in load_module_graph load_data(cr, idref, mode, kind='data', package=package, report=report) File "/usr/lib/python3/dist-packages/odoo/modules/loading.py", line 68, in load_data tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind, report) File "/usr/lib/python3/dist-packages/odoo/addonsx/stock_scanner/load_scenario.py", line 229, in scenario_convert_file kind=kind, report=report, pathname=pathname) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 802, in convert_file convert_xml_import(cr, module, fp, idref, mode, noupdate, report) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 865, in convert_xml_import obj.parse(doc.getroot(), mode=mode) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 764, in parse exc_info[2] File "/usr/lib/python3/dist-packages/odoo/tools/pycompat.py", line 86, in reraise raise value.with_traceback(tb) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 758, in parse self._tags[rec.tag](rec, de, mode=mode) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 736, in _tag_template return self._tag_record(record, data_node) File "/usr/lib/python3/dist-packages/odoo/tools/convert.py", line 663, in _tag_record record = model.with_context(rec_context)._load_records([data], self.mode == 'update') File "/usr/lib/python3/dist-packages/odoo/models.py", line 3868, in _load_records records = self._load_records_create([data['values'] for data in to_create]) File "/usr/lib/python3/dist-packages/odoo/addons/website/models/ir_ui_view.py", line 129, in _load_records_create records = super(View, self)._load_records_create(values) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3782, in _load_records_create return self.create(values) File "<decorator-gen-32>", line 2, in create File "/usr/lib/python3/dist-packages/odoo/api.py", line 462, in _model_create_multi return create(self, arg) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 428, in create return super(View, self).create(vals_list) File "<decorator-gen-3>", line 2, in create File "/usr/lib/python3/dist-packages/odoo/api.py", line 462, in _model_create_multi return create(self, arg) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3599, in create fields[0].determine_inverse(batch_recs) File "/usr/lib/python3/dist-packages/odoo/fields.py", line 1125, in determine_inverse getattr(records, self.inverse)() File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 275, in _inverse_arch view.write(data) File "/usr/lib/python3/dist-packages/odoo/addons/website/models/ir_ui_view.py", line 41, in write return super(View, self).write(vals) File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_ui_view.py", line 444, in write return super(View, self).write(self._compute_defaults(vals)) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3324, in write self._write(store_vals) File "/usr/lib/python3/dist-packages/odoo/models.py", line 3460, in _write self._validate_fields(vals) File "/usr/lib/python3/dist-packages/odoo/models.py", line 1112, in _validate_fields raise ValidationError("%s\n\n%s" % (_("Error while validating constraint"), tools.ustr(e))) odoo.tools.convert.ParseError: "Error while validating constraint Element '<xpath expr="//div[hasclass('o_brand_promotion')]">' cannot be located in parent view Error context: View `website_sale.brand_promotion` [view_id: 2290, xml_id: n/a, model: n/a, parent_id: 1047] None" while parsing None:1636, near <data inherit_id="website.brand_promotion"> <xpath expr="//div[hasclass('o_brand_promotion')]" position="replace"> <div class="o_brand_promotion"> Powered by <a target="_blank" class="badge badge-danger" href="http://www.odoo.com/page/website-builder?utm_source=db&utm_medium=website">Odoo</a>, the #1 <a target="_blank" href="http://www.odoo.com/page/e-commerce?utm_source=db&utm_medium=website">Open Source eCommerce</a>. </div> </xpath> </data>
You need to uninstall the debranding odoo module, then install the ecommerce for website and then activate again the debranding module
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