I'm connecting odoo 12 CE version as a backend to prestashop. I got this error while installing  the modules.

I eagerly need your help to solve out the problem. 

You will find the error trackback bellow

Error:
Server Error

Traceback (most recent call last):
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 1108, in _validate_fields
check(self)
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_ui_view.py", line 345, in _check_xml
view_def = view.read_combined(['arch'])
File "/home/djaitai/Desktop/odoo/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 "/home/djaitai/Desktop/odoo/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 "/home/djaitai/Desktop/odoo/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 "/home/djaitai/Desktop/odoo/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: 2195, xml_id: n/a, model: n/a, parent_id: 467]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 758, in parse
self._tags[rec.tag](rec, de, mode=mode)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 736, in _tag_template
return self._tag_record(record, data_node)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 663, in _tag_record
record = model.with_context(rec_context)._load_records([data], self.mode == 'update')
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3868, in _load_records
records = self._load_records_create([data['values'] for data in to_create])
File "/home/djaitai/Desktop/odoo/addons/website/models/ir_ui_view.py", line 129, in _load_records_create
records = super(View, self)._load_records_create(values)
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3782, in _load_records_create
return self.create(values)
File "<decorator-gen-32>", line 2, in create
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 462, in _model_create_multi
return create(self, arg)
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_ui_view.py", line 428, in create
return super(View, self).create(vals_list)
File "<decorator-gen-104>", line 2, in create
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 443, in _model_create_single
return self.browse().concat(*(create(self, vals) for vals in arg))
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 443, in <genexpr>
return self.browse().concat(*(create(self, vals) for vals in arg))
File "/home/djaitai/Desktop/odoo/addons/component_event/models/base.py", line 95, in create
record = super(Base, self).create(vals)
File "<decorator-gen-3>", line 2, in create
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 461, in _model_create_multi
return create(self, [arg])
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3599, in create
fields[0].determine_inverse(batch_recs)
File "/home/djaitai/Desktop/odoo/odoo/fields.py", line 1125, in determine_inverse
getattr(records, self.inverse)()
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_ui_view.py", line 275, in _inverse_arch
view.write(data)
File "/home/djaitai/Desktop/odoo/addons/website/models/ir_ui_view.py", line 41, in write
return super(View, self).write(vals)
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_ui_view.py", line 444, in write
return super(View, self).write(self._compute_defaults(vals))
File "/home/djaitai/Desktop/odoo/addons/component_event/models/base.py", line 102, in write
result = super(Base, self).write(vals)
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3324, in write
self._write(store_vals)
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3460, in _write
self._validate_fields(vals)
File "/home/djaitai/Desktop/odoo/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: 2195, xml_id: n/a, model: n/a, parent_id: 467]', None)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/djaitai/Desktop/odoo/odoo/http.py", line 656, in _handle_exception
return super(JsonRequest, self)._handle_exception(exception)
File "/home/djaitai/Desktop/odoo/odoo/http.py", line 314, in _handle_exception
raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
File "/home/djaitai/Desktop/odoo/odoo/tools/pycompat.py", line 87, in reraise
raise value
File "/home/djaitai/Desktop/odoo/odoo/http.py", line 698, in dispatch
result = self._call_function(**self.params)
File "/home/djaitai/Desktop/odoo/odoo/http.py", line 346, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/home/djaitai/Desktop/odoo/odoo/service/model.py", line 97, in wrapper
return f(dbname, *args, **kwargs)
File "/home/djaitai/Desktop/odoo/odoo/http.py", line 339, in checked_call
result = self.endpoint(*a, **kw)
File "/home/djaitai/Desktop/odoo/odoo/http.py", line 941, in __call__
return self.method(*args, **kw)
File "/home/djaitai/Desktop/odoo/odoo/http.py", line 519, in response_wrap
response = f(*args, **kw)
File "/home/djaitai/Desktop/odoo/addons/web/controllers/main.py", line 966, in call_button
action = self._call_kw(model, method, args, {})
File "/home/djaitai/Desktop/odoo/addons/web/controllers/main.py", line 954, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 759, in call_kw
return _call_kw_multi(method, model, args, kwargs)
File "/home/djaitai/Desktop/odoo/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 "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_module.py", line 74, in check_and_log
return method(self, *args, **kwargs)
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_module.py", line 445, in button_immediate_install
return self._button_immediate_function(type(self).button_install)
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_module.py", line 561, in _button_immediate_function
modules.registry.Registry.new(self._cr.dbname, update_module=True)
File "/home/djaitai/Desktop/odoo/odoo/modules/registry.py", line 86, in new
odoo.modules.load_modules(registry._db, force_demo, status, update_module)
File "/home/djaitai/Desktop/odoo/odoo/modules/loading.py", line 421, in load_modules
loaded_modules, update_module, models_to_check)
File "/home/djaitai/Desktop/odoo/odoo/modules/loading.py", line 313, in load_marked_modules
perform_checks=perform_checks, models_to_check=models_to_check
File "/home/djaitai/Desktop/odoo/odoo/modules/loading.py", line 222, in load_module_graph
load_data(cr, idref, mode, kind='data', package=package, report=report)
File "/home/djaitai/Desktop/odoo/odoo/modules/loading.py", line 68, in load_data
tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind, report)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 802, in convert_file
convert_xml_import(cr, module, fp, idref, mode, noupdate, report)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 865, in convert_xml_import
obj.parse(doc.getroot(), mode=mode)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 764, in parse
exc_info[2]
File "/home/djaitai/Desktop/odoo/odoo/tools/pycompat.py", line 86, in reraise
raise value.with_traceback(tb)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 758, in parse
self._tags[rec.tag](rec, de, mode=mode)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 736, in _tag_template
return self._tag_record(record, data_node)
File "/home/djaitai/Desktop/odoo/odoo/tools/convert.py", line 663, in _tag_record
record = model.with_context(rec_context)._load_records([data], self.mode == 'update')
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3868, in _load_records
records = self._load_records_create([data['values'] for data in to_create])
File "/home/djaitai/Desktop/odoo/addons/website/models/ir_ui_view.py", line 129, in _load_records_create
records = super(View, self)._load_records_create(values)
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3782, in _load_records_create
return self.create(values)
File "<decorator-gen-32>", line 2, in create
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 462, in _model_create_multi
return create(self, arg)
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_ui_view.py", line 428, in create
return super(View, self).create(vals_list)
File "<decorator-gen-104>", line 2, in create
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 443, in _model_create_single
return self.browse().concat(*(create(self, vals) for vals in arg))
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 443, in <genexpr>
return self.browse().concat(*(create(self, vals) for vals in arg))
File "/home/djaitai/Desktop/odoo/addons/component_event/models/base.py", line 95, in create
record = super(Base, self).create(vals)
File "<decorator-gen-3>", line 2, in create
File "/home/djaitai/Desktop/odoo/odoo/api.py", line 461, in _model_create_multi
return create(self, [arg])
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3599, in create
fields[0].determine_inverse(batch_recs)
File "/home/djaitai/Desktop/odoo/odoo/fields.py", line 1125, in determine_inverse
getattr(records, self.inverse)()
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_ui_view.py", line 275, in _inverse_arch
view.write(data)
File "/home/djaitai/Desktop/odoo/addons/website/models/ir_ui_view.py", line 41, in write
return super(View, self).write(vals)
File "/home/djaitai/Desktop/odoo/odoo/addons/base/models/ir_ui_view.py", line 444, in write
return super(View, self).write(self._compute_defaults(vals))
File "/home/djaitai/Desktop/odoo/addons/component_event/models/base.py", line 102, in write
result = super(Base, self).write(vals)
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3324, in write
self._write(store_vals)
File "/home/djaitai/Desktop/odoo/odoo/models.py", line 3460, in _write
self._validate_fields(vals)
File "/home/djaitai/Desktop/odoo/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: 2195, xml_id: n/a, model: n/a, parent_id: 467]
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> 

Thank in advanced.