Error: Failed to lookup view "error" in views directory "/var/www/views"
at Function.render (/var/www/node_modules/express/lib/application.js:580:17)
at ServerResponse.render (/var/www/node_modules/express/lib/response.js:1008:7)
at /var/www/app.js:44:7
at Layer.handle_error (/var/www/node_modules/express/lib/router/layer.js:71:5)
at trim_prefix (/var/www/node_modules/express/lib/router/index.js:315:13)
at /var/www/node_modules/express/lib/router/index.js:284:7
at Function.process_params (/var/www/node_modules/express/lib/router/index.js:335:12)
at next (/var/www/node_modules/express/lib/router/index.js:275:10)
at /var/www/app.js:33:3
at Layer.handle [as handle_request] (/var/www/node_modules/express/lib/router/layer.js:95:5)