Error updating options: Couldnt find variable with id

HI, I was making some adjustment on the variables, when after saved the dashboard I cannot load it anymore
The dashboard loads endless
And if I try to stop it I get this message
I cannot open in any way. I tryed restarting the service, reloggin, etc… But nothing!
Please someone help me!

Grafana 8.0.6 on Windows 10