Issue Connecting to Atlas

Here is my error:

2019-04-17T21:08:33.639+0000 I NETWORK [thread1] Cannot reach any nodes for set m201-shard-0. Please check network connectivity and the status of the set. This has happened for 2 checks in a row.
2019-04-17T21:08:33.639+0000 E QUERY [thread1] Error: connect failed to replica set .:27017,.:27017,.:27017 :

Here are the troubleshooting measures I have done:

I have whitelisted the IP. I ensured the password was correct. I also tried connecting via MongoDB Compass, and here are my results:

What is your connect string?
Are you able to ping your host
Are you able to connect by mongo shell?