Connrefused 127.0.0.1:27000

Working with Data Developer Tools
#1

Current Mongosh Log ID: 63f66743a8dd954755412d1d
Connecting to: mongodb://localhost:27000/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+1.5.4
MongoNetworkError: connect ECONNREFUSED 127.0.0.1:27000

#2

It is most likely one of the many reasons discussed below:
https://www.mongodb.com/community/forums/search?q=ECONNREFUSED