Can you please specify which product you are seeking help with? Once we know what product, we can relocate your post to an area of the forums that better aligns with your inquiry.
That usually happens when a calculated field breaks the query behind the dashboard. Even if you deleted it, the broken reference may still be cached. Try these steps:
Open the dashboard in Edit mode (not View) and check each data source for errors.
Verify that every calculated field and blended data source is still valid.
If you can’t load in Edit mode, open the report from Version History and restore a version before the change.
As a last resort, make a copy of the dashboard and reconnect the data sources—this often clears corrupted field references.
If none of that works, it may be a backend issue—worth filing a ticket with Looker Studio support.
First off, sorry for the radio silence since your message on September 26th—I wasn’t ghosting you, I was just deep in the trenches with Google Support trying to crack this case.
After weeks of back-and-forth (they even had me rebuild the entire dashboard from scratch at one point), I finally got the engineering team involved. To walk you through it: starting that day, I couldn’t access edit mode or restore any previous version—the dashboard was completely locked out.
Between September 26th and October 9th, we ran multiple verification rounds and confirmed the file had somehow become corrupted. They didn’t share specifics on the root cause, but the engineering team stepped in and restored everything via their backend tools.
It’s now running smoothly, and I’ve created a backup copy just in case.
Thanks again for offering to help—thought you’d appreciate the full rundown in case it ever saves someone else a month of headaches.
