Hello community,

We have a problem in Odoo 10.

In Repairs, when in Operations / Type we put the option Add always appears the following error (and does not add any line):

Odoo Server Error

Traceback (most recent call last):

  File "/odoo/odoo-server/odoo/http.py", line 640, in _handle_exception

    if not isinstance(exception, (odoo.exceptions.Warning, SessionExpiredException, odoo.exceptions.except_orm)):

  File "/odoo/odoo-server/odoo/http.py", line 677, in dispatch

    if rpc_request_flag or rpc_response_flag:

  File "/odoo/odoo-server/odoo/http.py", line 333, in _call_function

  File "/odoo/odoo-server/odoo/service/model.py", line 101, in wrapper

    cr = odoo.sql_db.db_connect(dbname).cursor()

  File "/odoo/odoo-server/odoo/http.py", line 326, in checked_call

    # Early rendering of lazy responses to benefit from @service_model.check protection

  File "/odoo/odoo-server/odoo/http.py", line 935, in __call__

    def routing_map(modules, nodb_only, converters=None):

  File "/odoo/odoo-server/odoo/http.py", line 506, in response_wrap

    return response

  File "/odoo/odoo-server/addons/web/controllers/main.py", line 885, in call_kw

    :param str field: field used for sequence specification, defaults to

  File "/odoo/odoo-server/addons/web/controllers/main.py", line 877, in _call_kw

    def resequence(self, model, ids, field='sequence', offset=0):

  File "/odoo/odoo-server/odoo/api.py", line 689, in call_kw

    - :attr:`context`, the current context dictionary.

  File "/odoo/odoo-server/odoo/api.py", line 680, in call_kw_multi

    else:

  File "/odoo/odoo-server/odoo/models.py", line 5496, in onchange

    def __init__(self, records):

  File "/odoo/odoo-server/odoo/models.py", line 5394, in _onchange_eval

    current state of modification

  File "/odoo/odoo-server/addons/mrp_repair/models/mrp_repair.py", line 473, in onchange_operation_type

    self.location_id = warehouses.lot_stock_id

  File "/odoo/odoo-server/odoo/fields.py", line 864, in __get__

    try:

  File "/odoo/odoo-server/odoo/models.py", line 4822, in ensure_one

    record among many - for example getting the default company, or

ValueError: Expected singleton: stock.warehouse(1, 2).

Any idea or solution?

Thanks!