Error: No default engine was specified and no extension was provided.
at new View (/home/auto-helper/noda/node_modules/express/lib/view.js:61:11)
at Function.render (/home/auto-helper/noda/node_modules/express/lib/application.js:570:12)
at ServerResponse.render (/home/auto-helper/noda/node_modules/express/lib/response.js:1008:7)
at /home/auto-helper/noda/app.js:43:7
at Layer.handle_error (/home/auto-helper/noda/node_modules/express/lib/router/layer.js:71:5)
at trim_prefix (/home/auto-helper/noda/node_modules/express/lib/router/index.js:315:13)
at /home/auto-helper/noda/node_modules/express/lib/router/index.js:284:7
at Function.process_params (/home/auto-helper/noda/node_modules/express/lib/router/index.js:335:12)
at next (/home/auto-helper/noda/node_modules/express/lib/router/index.js:275:10)
at /home/auto-helper/noda/app.js:32:3