AJV 6.10.0 ReferenceError: refVal3 не определен при проверке

Question

У меня проблема с саморекурсивной проверкой JSON с помощью AJV 6.10.0.Я пытаюсь проверить пример сверху, и он должен быть универсальным кодом, чтобы быть готовым к обновлению из Messenger API.Теперь я могу сделать свою работу, но мое решение нужно скопировать тот же код, так что это не хорошо.Если проверка глубокой для 1 или 2 цикла в порядке, но больше чем 2 генерирует ошибку:

ReferenceError: refVal3 is not defined at validate

Мой код выглядит:

const persistentMenu = {
    type: "object",
    properties: {
        locale: {
            type: "string"
        },
        composer_input_disabled: {
            type: "boolean"
        },
        call_to_actions: {
            type: "array",
            items: {
                oneOf: [{
                        $ref: "#definitions/postback"
                    },
                    {
                        $ref: "#definitions/web_url"
                    },
                    {
                        $ref: "#definitions/call_to_actions"
                    }
                ]
            }
        }
    },
    required: ["locale", "composer_input_disabled", "call_to_actions"],
    definitions: {
        definitions: {
            postback: {
                $id: "#definitions/postback",
                type: "object",
                properties: {
                    type: {
                        type: "string",
                        const: "postback"
                    },
                    title: {
                        type: "string"
                    },
                    payload: {
                        type: "string"
                    }
                },
                required: ["type", "title", "payload"]
            },
            call_to_actions: {
                $id: "#definitions/call_to_actions",
                type: "object",
                properties: {
                    type: {
                        type: "string",
                        const: "nested"
                    },
                    title: {
                        type: "string"
                    },
                    call_to_actions: {
                        type: "array",
                        items: {
                            oneOf: [{
                                    $ref: "#definitions/postback"
                                },
                                {
                                    $ref: "#definitions/web_url"
                                },
                                {
                                    $ref: "#definitions/call_to_actions"
                                }
                            ]
                        }
                    }
                },
                required: ["type", "title", "call_to_actions"]
            },
            web_url: {
                $id: "#definitions/web_url",
                type: "object",
                properties: {
                    type: {
                        type: "string",
                        const: "web_url"
                    },
                    title: {
                        type: "string"
                    },
                    url: {
                        type: "string"
                    }
                },
                required: ["type", "title", "url"]
            }
        }
    }
};

module.exports = {
    type: "object",
    required: ["persistent_menu"],
    properties: {
        persistent_menu: {
            type: "array",
            items: persistentMenu
        }
    }
};

и пример данных:

{
    "persistent_menu": [
        {
            "locale": "default",
            "composer_input_disabled": false,
            "call_to_actions": [
                {
                    "type": "postback",
                    "title": "Nested Item One",
                    "payload": "q",
                    "url": "testo"
                },
                {
                    "type": "web_url",
                    "title": "Nested Item One",
                    "payload": "d",
                    "url": "testo"
                },
                {
                    "type": "nested",
                    "title": "Nested Item One",
                    "payload": "a",
                    "url": "testo",
                    "call_to_actions": [
                        {
                            "type": "postback",
                            "title": "Nested Item One",
                            "payload": "a",
                            "url": "testo"
                        },
                        {
                            "type": "web_url",
                            "title": "Nested Item One",
                            "payload": "a",
                            "url": "testo"
                        },
                        {
                            "type": "postback",
                            "title": "Nested Item One",
                            "payload": "s"
                        },
                        {
                            "type": "nested",
                            "title": "Nested Item One",
                            "payload": "s",
                            "url": "testo",
                            "call_to_actions": [
                                {
                                    "type": "postback",
                                    "title": "Nested Item One",
                                    "payload": "s",
                                    "url": "testo"
                                },
                                {
                                    "type": "web_url",
                                    "title": "Nested Item One",
                                    "payload": "s",
                                    "url": "testo"
                                },
                                {
                                    "type": "postback",
                                    "title": "Nested Item One",
                                    "payload": "a"
                                },
                                        {
                                            "type": "postback",
                                            "title": "Nested Item One",
                                            "payload": "a",
                                            "url": "testo"
                                        },
                                {
                                    "type": "nested",
                                    "title": "Nested Item One",
                                    "payload": "j",
                                    "url": "testo",
                                    "call_to_actions": [
                                        {
                                            "type": "postback",
                                            "title": "Nested Item One",
                                            "payload": "a",
                                            "url": "testo"
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ]
};

и код валидатора:

const ajv = new Ajv({verbose: true, multipleOfPrecision: 12,  extendRefs: true});