Problem summary
Your Google Data Studio report shows a system error before its request reaches Funnel.
Error message or symptoms
System Error
When does this occur
Google Data Studio stops the request before it reaches Funnel.
A report chart fails while loading data.
Root cause
Google Data Studio returns this generic error before it sends the request to Funnel. Funnel does not receive error details for the request.
Solution
Remove the filters from the affected chart.
Reload the chart.
Add each filter again.
Change the report date range.
Restore the original date range.
If the error continues, complete the steps to refresh the Google Data Studio data source.