web-ext run errors

web-extrun.log

> web-ext run -s dist --firefox=firefoxdeveloperedition

Running web extension from c:\Users\bwint\Programming\addons\SnoozeTabs\dist
Running Firefox with profile at C:\Users\bwint\AppData\Local\Temp\a6df52f7-0cc2-44a1-a365-d0a3fc9c4187
(node:3972) DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead.

run: TypeError: Path must be a string. Received undefined
    at assertPath (path.js:7:11)
    at Object.join (path.js:468:7)
    at c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\fx-runner\lib\utils.js:86:20
    at init (c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\when\lib\makePromise.js:39:5)
    at new Promise (c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\when\lib\makePromise.js:27:53)
    at Function.promise (c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\when\when.js:97:10)
    at normalizeBinary (c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\fx-runner\lib\utils.js:24:15)
    at runFirefox (c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\fx-runner\lib\run.js:56:10)
    at Object._callee2$ (c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\web-ext\dist\webpack:\src\firefox\index.js:9:7289)
    at tryCatch (c:\Users\bwint\Programming\addons\SnoozeTabs\node_modules\web-ext\node_modules\regenerator-runtime\runtime.js:62:40)


npm ERR! Windows_NT 10.0.14393
npm ERR! argv "c:\\Program Files\\nodejs\\node.exe" "c:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "run"
npm ERR! node v7.3.0
npm ERR! npm  v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! snoozetabs@1.0.0 run: `web-ext run -s dist --firefox=firefoxdeveloperedition`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the snoozetabs@1.0.0 run script 'web-ext run -s dist --firefox=firefoxdeveloperedition'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the snoozetabs package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     web-ext run -s dist --firefox=firefoxdeveloperedition
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs snoozetabs
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls snoozetabs
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     c:\Users\bwint\Programming\addons\SnoozeTabs\npm-debug.log