Failed to lookup view "emb" in views directory "/root/gifvi/views"

Error: Failed to lookup view "emb" in views directory "/root/gifvi/views"
    at Function.render (/root/gifvi/node_modules/express/lib/application.js:580:17)
    at ServerResponse.render (/root/gifvi/node_modules/express/lib/response.js:1008:7)
    at /root/gifvi/routes/emb.js:10:7
    at Layer.handle [as handle_request] (/root/gifvi/node_modules/express/lib/router/layer.js:95:5)
    at next (/root/gifvi/node_modules/express/lib/router/route.js:137:13)
    at Route.dispatch (/root/gifvi/node_modules/express/lib/router/route.js:112:3)
    at Layer.handle [as handle_request] (/root/gifvi/node_modules/express/lib/router/layer.js:95:5)
    at /root/gifvi/node_modules/express/lib/router/index.js:281:22
    at Function.process_params (/root/gifvi/node_modules/express/lib/router/index.js:335:12)
    at next (/root/gifvi/node_modules/express/lib/router/index.js:275:10)