I want to install the new module "Product Variant Multi" but Odoo displays many error 

Odoo Server Error

Traceback (most recent call last):
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\http.py", line 643, in _handle_exception
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\http.py", line 680, in dispatch
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\http.py", line 316, in _call_function
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\service\model.py", line 118, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\http.py", line 309, in checked_call
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\http.py", line 959, in __call__
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\http.py", line 509, in response_wrap
  File "C:\Program Files\Odoo 9.0-20160129\server\openerp\addons\web\controllers\main.py", line 896, in call_button
  File "C:\Program Files\Odoo 9.0-20160129\server\openerp\addons\web\controllers\main.py", line 884, in _call_kw
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 250, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\openerp\addons\base\module\module.py", line 459, in button_immediate_install
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 250, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\openerp\addons\base\module\module.py", line 533, in _button_immediate_function
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\modules\registry.py", line 385, in new
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\modules\loading.py", line 338, in load_modules
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\modules\loading.py", line 237, in load_marked_modules
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\modules\loading.py", line 156, in load_module_graph
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\modules\loading.py", line 98, in _load_data
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\tools\convert.py", line 852, in convert_file
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\tools\convert.py", line 939, in convert_xml_import
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\tools\convert.py", line 802, in parse
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\tools\convert.py", line 805, in parse
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\tools\convert.py", line 709, in _tag_record
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 250, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\openerp\addons\base\ir\ir_model.py", line 1119, in _update
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 250, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\openerp\addons\base\ir\ir_ui_view.py", line 351, in create
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 250, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 354, in old_api
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\models.py", line 4132, in create
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 248, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 490, in new_api
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\models.py", line 4323, in _create
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\api.py", line 248, in wrapper
  File "C:\Program Files\Odoo 9.0-20160129\server\.\openerp\models.py", line 1271, in _validate_fields
ParseError: "Invalid view definition