Error:
Odoo Server Error

Traceback (most recent call last):
  File "/data/build/odoo/odoo/http.py", line 627, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/data/build/odoo/odoo/http.py", line 317, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "/data/build/odoo/odoo/tools/pycompat.py", line 14, in reraise
    raise value
  File "/data/build/odoo/odoo/http.py", line 672, in dispatch
    result = self._call_function(**self.params)
  File "/data/build/odoo/odoo/http.py", line 353, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/data/build/odoo/odoo/service/model.py", line 93, in wrapper
    return f(dbname, *args, **kwargs)
  File "/data/build/odoo/odoo/http.py", line 346, in checked_call
    result = self.endpoint(*a, **kw)
  File "/data/build/odoo/odoo/http.py", line 917, in __call__
    return self.method(*args, **kw)
  File "/data/build/odoo/odoo/http.py", line 518, in response_wrap
    response = f(*args, **kw)
  File "/data/build/odoo/addons/web/controllers/main.py", line 1112, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "/data/build/odoo/addons/web/controllers/main.py", line 1100, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/data/build/odoo/odoo/api.py", line 400, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "/data/build/odoo/odoo/api.py", line 387, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/data/build/odoo/addons/stock/models/stock_picking.py", line 848, in button_validate
    self.action_done()
  File "/data/build/odoo/addons/mrp_subcontracting/models/stock_picking.py", line 60, in action_done
    'move_id': move_finished_ids.id,
  File "/data/build/odoo/odoo/fields.py", line 3471, in __get__
    raise ValueError("Expected singleton: %s" % record)
ValueError: Expected singleton: stock.move(1985, 1990)