undefined is not a function

[sergioramos]

node.js:202
        throw e; // process.nextTick error, or 'error' event on first tick
              ^
TypeError: undefined is not a function
    at Object.<anonymous> (/usr/local/lib/node_modules/forever-webui/node_modules/forever/lib/forever.js:45:23)
    at Module._compile (module.js:432:26)
    at Object..js (module.js:450:10)
    at Module.load (module.js:351:31)
    at Function._load (module.js:310:12)
    at Module.require (module.js:357:17)
    at require (module.js:368:17)
    at Object.<anonymous> (/usr/local/lib/node_modules/forever-webui/app.js:6:13)
    at Object.<anonymous> (/usr/local/lib/node_modules/forever-webui/app.js:197:4)
    at Module._compile (module.js:432:26)

[FGRibreau]

This error seems to come from Forever itself. Please fill a report there and don't forget to specify what version of Forever & NodeJS you're using :)