"'NoneType' object has no attribute 'id'",
    "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/party.py\", line 212, in create\n    return super(Party, cls).create(vlist)\n  File \"/trytond/model/modelsql.py\", line 497, in create\n    field.set(cls, fname, *fargs)\n  File \"/trytond/model/fields/function.py\", line 103, in set\n    setter(Model.browse(ids), name, value)\n  File \"/trytond/modules/picture_attachment/ir.py\", line 114, in set_attachment\n    Attachment.write([item.picture_attachment], res)\n  File \"/trytond/ir/attachment.py\", line 232, in write\n    cls.check_access([a.id for a in all_attachments], mode='write')\nAttributeError: 'NoneType' object has no attribute 'id'\n"