Looker Studio (formerly Google Data Studio) is an excellent tool for creating dashboards for various platforms. You can mix all your KPIs in the same report and quickly access critical data to drive your businesses.
But sometimes, reports stop working, and you can see charts with error messages. And error messages in Looker Studio can be confusing.
Here, we will see what happens when you get the error message "Cannot read property of undefined (reading 'split')".
In Looker Studio, when an error happens, all the charts are unavailable, and all display something like this :
To access more details about the error, clicks on See details.
In our case, this is what we see :
When you see this error message, chances are that you did not select any platform account for your Looker Studio data source. Every Looker Studio data source needs to be connected to a platform account (ie: Facebook Ads, Google Ads, WooCommerce...).
If it isn't connected to an account, the data source cannot fetch your KPIs in Looker Studio, and you can see the previous error message.
The first thing to do is identify the data source with an issue (an essential step if you have more than 1 data source in your report). You can find this by selecting a chart with an error and verifying it's data source configuration here :
Then, open your data source and verify the connexion's configuration.
To do so :
You select an account to link to your Looker Studio data source on this page. First, verify that the selector is not empty:
The problem should be solved now, and your report should display metrics and dimensions without issue.
If you followed this post entirely and still see the error message, please contact us on our chat at the bottom right of this page. You can also seek help at firstname.lastname@example.org. Our team of experts is here to help you at any time!
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