"error": [
    "too many values to unpack",
    "Traceback (most recent call last):\n  File \"/trytond/protocols/wsgi/__init__.py\", line 55, in jsonrpc_app\n    response['result'] = dispatch(*args)\n  File \"/trytond/protocols/dispatcher.py\", line 158, in dispatch\n    result = rpc.result(meth(*c_args, **c_kwargs))\n  File \"/trytond/model/modelstorage.py\", line 355, in search_read\n    records = cls.search(domain, offset=offset, limit=limit, order=order)\n  File \"/trytond/model/modelsql.py\", line 999, in search\n    for fname, otype in order:\nValueError: too many values to unpack\n"
  ]