Gmail Node Approval link returning invalid token

Questions
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1

Gmail Node Approval link returning invalid token

/n8n/webhook-waiting/53/b97e6c48-04a0-4aed-8d49-9e39db5207e6?approved=true&signature=b14c97888fbbfe6f7bdd1febdb980e19aa3c75b5d713efc3ea1bd792dde47f7d

{"error":"Invalid token"}

Please share your workflow

Share the output returned by the last node

[
{
“Email ID”:
“[email protected]”,
“Content”:
“ok”,
“submittedAt”:
“2025-08-15T10:35:19.749-04:00”,
“formMode”:
“test”
}
]

Information on your n8n setup

  • **n8n version:**1.106.3
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app):npm
  • Operating system: Ubuntu
2

HI @tech_voyager
Welcome to community.
This looks like a connection issue. Please test another Google node (e.g., Watch or Get) to confirm the connection. Since you’re self-hosting n8n, setup can be a bit tricky—please double-check that your Google credentials are configured correctly and that all required OAuth scopes are enabled.

3

@Msquare_Automation Confirm Oauth correct if incorrect mail not send to me still but error invalid token

4

I rollback to 1.105.4 version success workflow again

5

@tech_voyager You can fix this issue ? in short term rollback to 1.105.4 but need new version more 1.105.4

6

Hi @tech_voyager you can resolve issue ? please shared exprerience ?

7

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