Blog post

Fix Looker Studio Bad Request error 400 – Solutions

Troubleshooting

Looker Studio

Johan Chemin
April 6, 2023
| Lastest update
July 1, 2025

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Looker Studio allows you to create excellent dashboards with data issued from various platforms (Facebook ads, Google Ads, WooCommerce ).

The first step when you need a dashboard is to create a data source to link your platform data to Looker Studio.

But you can encounter an error while creating your data source. It will ultimately prevent you from starting your report, as you won't be able to send your platform data to Looker Studio.

When did the "Bad Request error 400" happen?

You get this error when you try to create a new data source at the final step : 


"Bad Request error 400" implies that the server (Google here) cannot or will not process the request due to a client error.

It means Google can't identify you and won't let you create your Looker Studio data source.

How to solve the "Bad Request error 400" error?

To solve this, be sure to be connected with the same Google account in your Google Chrome Browser and Looker Studio.

Follow these steps:

  • Go back to the Looker Studio home page
  • Check the Google account connected to your Google Chrome browser:


Verify your Google account connected to your Google Chrome browser
Verify your Google account connected to your Google Chrome browser.

  • Then check your Looker Studio account : 


Verify your Google account on Looker Studio.
Verify your Google account on Looker Studio.

If they differ, disconnect one and reconnect with the other Google account. 

You can then start creating your Looker Studio data source and add it to a report!

What to do if the problem persists?

Contact us using the chat at the bottom right of this page or at contact@catchr.io We'll do our best to help you!

Quick Steps to resolve the "Bad Request error 400" on Looker Studio:

  1. Go back to the Looker Studio homepage.
  2. Check your Google account on your Google Chrome browser.
  3. Check your Google account on Looker Studio.
  4. If they differ, log in with the same account on both.
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