Cannot read Property charAt of Undefined

[bluenevus]

Debian Wheezy, node v v0.12.2 npm 2.84, bower 1.4.1, I get this error when I test. When a run it with npm start, it starts but doesn't serve up the web page. Instead, it serves up the directory.

INFO [karma]: Karma v0.10.10 server started at http://localhost:9876/
INFO [launcher]: Starting browser Chrome
ERROR [karma]: [TypeError: Cannot read property 'charAt' of undefined]
TypeError: Cannot read property 'charAt' of undefined
at Object.posix.isAbsolute (path.js:479:14)
at Object.posix.normalize (path.js:461:26)
at Object._getCommand (/usr/share/ahoy-ui/node_modules/karma/lib/launchers/Base.js:106:20)
at Object._start (/usr/share/ahoy-ui/node_modules/karma/lib/launchers/Base.js:45:28)
at Object.start (/usr/share/ahoy-ui/node_modules/karma/lib/launchers/Base.js:36:10)
at /usr/share/ahoy-ui/node_modules/karma/lib/launcher.js:38:15
at Array.forEach (native)
at launch (/usr/share/ahoy-ui/node_modules/karma/lib/launcher.js:12:11)
at invoke (/usr/share/ahoy-ui/node_modules/karma/node_modules/di/lib/injector.js:75:15)
at Server. (/usr/share/ahoy-ui/node_modules/karma/lib/server.js:54:16)
at Server.g (events.js:199:16)
at Server.emit (events.js:129:20)
at net.js:1161:12
at process._tickCallback (node.js:355:11)
at Function.Module.runMain (module.js:503:11)
at startup (node.js:129:16)
at node.js:814:3
npm ERR! Test failed. See above for more details.