I was creating a module but when i went to install i get some error in installation.

 The problem is if a try to open ex:  contact and i get this error

  File "/opt/odoo/odoo/addons/base/models/ir_ui_view.py", line 568, in raise_view_error

    raise ValueError(message)

ValueError: Field `opportunity_count` does not exist

but was working before

there is any way that i can rebuild all view