Error: No default engine was specified and no extension was provided.

[zygimantus]

I am getting this error when opening a webpage on 3000 port:

Error: No default engine was specified and no extension was provided.
at new View (/home/app/server/node_modules/express/lib/view.js:62:11)
at EventEmitter.render (/home/app/server/node_modules/express/lib/application.js:569:12)
at ServerResponse.render (/home/app/server/node_modules/express/lib/response.js:960:7)
at app.use (/home/app/server/app.js:40:7)
at Layer.handle_error (/home/app/server/node_modules/express/lib/router/layer.js:71:5)
at trim_prefix (/home/app/server/node_modules/express/lib/router/index.js:310:13)
at /home/app/server/node_modules/express/lib/router/index.js:280:7
at Function.process_params (/home/app/server/node_modules/express/lib/router/index.js:330:12)
at next (/home/app/server/node_modules/express/lib/router/index.js:271:10)
at app.use (/home/app/server/app.js:29:3)

[JoaquimCMH]

Did you try with localhost:3000/api?