Not able to see ElasticMapReduceEditors-Livy security group

Please check Step 4, make sure you don't miss "In the Software configuration section, be sure that you select a configuration that includes Apache Spark, Apache Hadoop, and Apache Livy.". An EMR notebook uses Apache Livy to communicate with the cluster via a proxy using TCP Port 18888. By creating custom security groups with rules tailored to your environment. The default EC2 security group for the master instance is associated with the master instance in addition to the cluster's security groups for the master instance. Group Name: ElasticMapReduceEditors-Livy. See -> Specifying EC2 security groups for EMR Notebooks - https://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-managed-notebooks-security-groups.html