Alerting/Azure Monitor: "tsdb.HandleRequest() response error &{Request failed status: 400 Bad Request A 0xc001403600 [] [] []}"

I am using a dashboard for Azure Monitor for containers- Metrics but while creating the alarm for CPU utilization in the Kubernetes cluster, I get the error mentioned above.

Below is the graph for the CPU utilization

And also I am attaching the condition I am using to create alert:

I am not what am I doing wrong here. Please advice!
Thank you

you are not alone. Same here.

Check out your TimeGenerated. I was using template variables and hard coded times and it did not work.