Uncaught TypeError: The "path" argument must be of type string. Received type undefined

[sblackstone]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.47.0 x64
Electron: 5.0.13
OS: Mac OS X 10.15.4
Thrown From: htmlhint package 1.1.4

Stack Trace

Uncaught TypeError: The "path" argument must be of type string. Received type undefined

At internal/validators.js:105

TypeError [ERR_INVALID_ARG_TYPE] [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type undefined
    at validateString (internal/validators.js:105:11)
    at Object.join (path.js:1037:7)
    at module.exports (/packages/htmlhint/lib/config.coffee:6:43)
    at HTMLElement.module.exports (/packages/htmlhint/lib/linter.coffee:19:37)
    at CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:349576)
    at KeymapManager.dispatchCommandEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:1242036)
    at KeymapManager.handleKeyboardEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:1238170)
    at WindowEventHandler.handleDocumentKeyEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:284782)

Commands

     -9:29.2.0 core:cut (input.hidden-input)
     -9:25.3.0 core:paste (input.hidden-input)
     -9:24.5.0 core:save (input.hidden-input)
     -1:11.9.0 core:select-all (input.hidden-input)
     -1:11.6.0 core:copy (input.hidden-input)
     -0:47.6.0 htmlhint:hint (input.hidden-input)

Non-Core Packages

atom-beautify 0.33.4 
htmlhint 1.1.4