Problem description
After a Container Service for Kubernetes (ACK) cluster is deleted, the following issues occur in the region where the deleted ACK cluster resides:
In the Managed Service for Prometheus console, several clusters are dimmed.
You cannot create an ACK cluster by using the name of the deleted ACK cluster.
Solutions
Log on to the Managed Service for Prometheus console.
In the top navigation bar, select the region where your ACK cluster is deployed.
On the Instances page, find the ACK cluster for which you want to uninstall the Prometheus agent and click Uninstall in the Actions column.
In the Tips message, click OK.