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I'm getting this error after I try to add a new app and click 'Register App':

"There was an unknown error while processing the request. Try again."

I've looked at these and they have the same problem but didn't have solutions that worked:

Can't create Firebase project - There was an unknown error while processing the request. Try again

GCM - Getting Error message "There was an unknown error while processing the request. Try again." when creating new project

Firebase: There was an unknown error while processing the request. Try again.

I'm not using multiple Google accounts. I've tried signing out and in again, tried changing the package name, and the Firebase status page doesn't show any outages.

Questioner
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  • Did you try clearing the browser's cache? – Jack Apr 23 '19 at 09:07
  • @jackz314 yes and I've used two different browsers. – Questioner Apr 23 '19 at 09:11
  • Could you try opening your browsers console and network tab and check what the server returns on your request to add a new app? From what I can tell, it should be a call to `/v1/projects/{projectId}/clients`. The response may have a more detailed error code. – Carlo Field Apr 26 '19 at 09:11

6 Answers6

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I had the same problem, After a long research fond that it was been OAuth 2.0 Client Id limit. In order to resolve, I have deleted all OAuth 2.0 Client IDs from Google cloud console, then try again. It works fine for me.

Steps to remove OAuth 2.0 Client IDs :

  1. Open 'https://console.cloud.google.com/'
  2. Select your project from the top navbar
  3. Select APIs & Services from Left Side panel
  4. Select Credentials in the left panel
  5. Go to OAuth 2.0 Client IDs
  6. Select all unused Entries (!Carefully)
  7. Click on delete on the top bar
  8. Done, go to firebase console try again

It may solve your problem!!

PARAMANANDA PRADHAN
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Have you tried changing your package name? I'd same issue,that was resolved by changing package name. As Firebase saves deleted package names as well.

Naila Akbar
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You might reached number of OAuth 2.0 client IDs limits. There is a limit of around 30 client IDs that can be created within a single project.

A J
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Make sure you sign out all your google accounts and sign in with the account for your specific project. I'm normally signed in to 3 or 4 accounts and ran into this error issue. Did as I mentioned and it worked.

GIJoeCodes
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The operation has failed (Reason: [object ProgressEvent])

I am getting the above-mentioned error while creating a new project. This got resolved by logging out and logging in again

Rama Krishna Pilla
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I had this issue. I just waited a few minutes and tried again and it worked this time.

esafresa
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