Path must be a string. Received undefined

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Stack Trace:

TypeError: Path must be a string. Received undefined

    at assertPath (path.js:28:11)

    at Object.join (path.js:489:7)

    at userData (C:\Users\timol\Desktop\myFolder\node_modules\appdirectory\lib\appdirectory.js:16:25)

    at AppDirectory._setTemplates (C:\Users\timol\Desktop\myFolder\node_modules\appdirectory\lib\appdirectory.js:134:34)

    at new AppDirectory (C:\Users\timol\Desktop\myFolder\node_modules\appdirectory\lib\appdirectory.js:129:10)

    at new SteamUser (C:\Users\timol\Desktop\myFolder\node_modules\steam-user\index.js:104:34)

    at my files

 

 

This is steam-user index.js:104. This was always there, so this is weird. The exact same thing happens in steam-tradeoffer-manager

this.options.dataDirectory = (new AppDirectory({

"appName": "node-steamuser",

"appAuthor": "doctormckay"

})).userData();

Edited May 11, 2018 by timgfx

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I used 

 

process.env = {};

 

at the start of my code. That broke stuff