In Product Return, link Invoice with a line without product_id raises an error

[Romain Deheele - Camptocamp]

Hello,

In Product Return, link Invoice with a line without product_id raises an error:

  File "/home/rdeheele/oerp/sandbox/parts/openerp-rma/crm_claim_rma/crm_claim_rma.py", line 461, in onchange_invoice_id
    warehouse_id, context=context)
  File "/home/rdeheele/oerp/sandbox/parts/openerp-rma/crm_claim_rma/crm_claim_rma.py", line 268, in get_destination_location
    seller = prod.seller_info_id
  File "/home/rdeheele/oerp/sandbox/parts/server/openerp/osv/orm.py", line 502, in __getattr__
    return self[name]
  File "/home/rdeheele/oerp/sandbox/parts/server/openerp/osv/orm.py", line 405, in __getitem__
    field_values = self._table.read(self._cr, self._uid, ids, field_names, context=self._context, load="_classic_write")
  File "/home/rdeheele/oerp/sandbox/parts/server/openerp/osv/orm.py", line 3680, in read
    result = self._read_flat(cr, user, select, fields, context, load)
  File "/home/rdeheele/oerp/sandbox/parts/server/openerp/osv/orm.py", line 3732, in _read_flat
    cr.execute(query, [tuple(sub_ids)] + rule_params)
  File "/home/rdeheele/oerp/sandbox/parts/server/openerp/sql_db.py", line 161, in wrapper
    return f(self, *args, **kwargs)
  File "/home/rdeheele/oerp/sandbox/parts/server/openerp/sql_db.py", line 226, in execute
    res = self._obj.execute(query, params)
ProgrammingError: operator does not exist: integer = boolean
LINE 1: ...d FROM "product_product" WHERE product_product.id IN (false)...
                                                             ^
HINT: No operator matches the given name and argument type(s). You might need to add explicit type casts.

Regards,

Romain