> For the complete documentation index, see [llms.txt](https://docs.icpc1hn.work/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.icpc1hn.work/ung-dung-n8n/loi-thuong-gap.md).

# Lỗi thường gặp

1. **Lỗi 403 access\_denied**

<figure><img src="https://3851242760-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQS7Vie8hMmEC6mnz4EH2%2Fuploads%2FXjrtzuJCwoeQqRwOPvvu%2Fimage.png?alt=media&amp;token=13ed3d82-667c-4b32-9504-320fc228635f" alt="" width="430"><figcaption></figcaption></figure>

Cách khắc phục:&#x20;

Truy cập <https://console.cloud.google.com/auth/audience>

Chọn **Publish App** ⇒ **Confirm**

<figure><img src="https://3851242760-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQS7Vie8hMmEC6mnz4EH2%2Fuploads%2FNXld1GZmy5kSlXkjNNh4%2Fimage.png?alt=media&amp;token=91ad5fc4-0d07-43c1-a686-0fffb2a0ffbe" alt=""><figcaption></figcaption></figure>

<figure><img src="https://3851242760-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQS7Vie8hMmEC6mnz4EH2%2Fuploads%2FJxgzwZ1xMvdNDUodAza4%2Fimage.png?alt=media&amp;token=a496373b-d32e-432e-b62e-5918dc2a97ce" alt=""><figcaption></figcaption></figure>