Not able to start server

[dalareo]

Error when executing node server.js

/var/www/html/webeditor/bootstrap-zero/app.js:8
app.locals({
^
TypeError: Property 'locals' of object function (req, res, next) {
app.handle(req, res, next);
} is not a function
at Object.exports.init (/var/www/html/webeditor/bootstrap-zero/app.js:8:9)
at Object. (/var/www/html/webeditor/bootstrap-zero/server.js:2:28)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
at startup (node.js:119:16)
at node.js:935:3