Could not delete a security group

Issue descriptionIssue description

You cannot delete the security group and see this error:

code = FailedPrecondition desc = Security group with id *** not empty

SolutionSolution

Before deleting a security group, detach it from the VM instance.

To do this:

1. In the management console, go to Compute Cloud.
2. Select the target VM instance.
3. In the VM settings, scroll down to the network settings.
4. Click on the ··· button and in the drop-down list, select Change network interface.
5. Detach the security group.
6. Click Save.