{
  "id": 0,
  "error": [
    "",
    "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/modules/party/contact_mechanism.py\", line 195, in write\n    super(ContactMechanism, cls).write(*args)\n  File \"/trytond/model/modelsql.py\", line 750, in write\n    assert not len(args) % 2\nAssertionError\n"
  ]
}