此项目已超出Firebase配额

Question

你有点混淆如何根据免费计划的firebase配额，几个月来测试我的应用程序并且从未遇到过这个问题。如何在超过几个小时的时间后解决或检测到此问题。

 {
      "error": {
        "code": 402,
        "message": "Quota has been exceeded for this project. Please visit the Firebase pricing page to learn more."
      }
    }

    <Error>
    <Code>InsufficientQuota</Code>
    <Message>
    The App Engine application does not have enough quota.
    </Message>
    <Details>
    NOT_ENOUGH_QUOTA: App xxxxxxxxxxx does not have enough quota
    </Details>
    </Error>