Restore deleted (?) Google OAuth client app for production system

Question

we are getting a 401 Error from Google API:

401. That’s an error.
Error: deleted_client

The OAuth client was deleted.

It seems that the Google-OAuth-API Client was deleted. Maybe on firebase? Whould be really strange when we delete a firebase project that it is also deleted on Google API...

Is there any way to restore this?!

Thanks a lot for your help!

Best

Solution

For everyone who has this problem too. Found the solution:

Project owners can restore a deleted project within the 30-day recovery period that starts when the project is shut down. Restoring a project returns it to the state it was in before it was shut down. Cloud Storage resources are deleted before the 30-day period ends, and may not be fully recoverable.

Some services might need to be restarted manually. For more information, see Restarting Google Cloud Platform Services.

To restore a project:

Go to the Manage Resources page in the Google Cloud Platform Console.

In the Organization drop-down in the upper left, select your organization.

Below the list of projects, click Resources pending deletion.

Check the box for the project you want to restore, then click Restore. In the dialog that appears, confirm that you want to restore the project.

Source: https://support.google.com/cloud/answer/6251787?hl=en

Comments

[CamHart]

This doesn't allow you to undelete a client, just the entire project.

[Employee]

If anyone has reached this page because they've gotten the 401: deleted_client error for a Google Apps Script project, I've posted a solution here.