Cannot connect atlast to MongoShell

I am having trouble connecting my atlas cluster to my shell.
Here is the link: mongo “mongodb://,,” —authenticationDatabase admin --ssl–username m001-student --password m001-mongodb-basics

Here is the error: 2019-01-10T20:42:45.882-0600 I NETWORK [ReplicaSetMonitor-TaskExecutor] Cannot reach any nodes for set Sandbox-shard-0. Please check network connectivity and the status of the set. This has happened for 1 checks in a row.

Whenever I use the link, from a previous video, to connect with the class cluster it works so I doubt there is a firewall issue.

Please help?