i get this error when i try to open assets 

Traceback (most recent call last):
  File "/odoo14/odoo14-server/odoo/http.py", line 641, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/odoo14/odoo14-server/odoo/http.py", line 317, in _handle_exception
    raise exception.with_traceback(None) from new_cause
KeyError: 'account.asset'