Uncaught TypeError: Cannot read property 'setEncoding' of undefined

[arboretom]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.43.0 x64
Electron: 4.2.7
OS: Mac OS X 10.14.4
Thrown From: php-cs-fixer package 4.1.1

Stack Trace

Uncaught TypeError: Cannot read property 'setEncoding' of undefined

At /Applications/Atom.app/Contents/Resources/app/static/<embedded>:14

TypeError: Cannot read property 'setEncoding' of undefined
    at BufferedProcess.bufferStream (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:14:1123067)
    at BufferedProcess.handleEvents (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:14:1124579)
    at BufferedProcess.start (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:14:1122587)
    at new BufferedProcess (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:14:1122335)
    at Object.fix (/packages/php-cs-fixer/lib/php-cs-fixer.coffee:175:15)
    at /packages/php-cs-fixer/lib/php-cs-fixer.coffee:106:84)
    at CommandRegistry.handleCommandEvent (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:349290)
    at CommandRegistry.dispatch (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:11:347765)
    at AtomEnvironment.dispatchApplicationMenuCommand (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:1:723427)
    at EventEmitter.t (/Applications/Atom.app/Contents/Resources/app/static/<embedded>:1:731350)
    at EventEmitter.emit (events.js:182:13)

Commands

     -9:27.8.0 atom-beautify:beautify-editor (div.line)
     -8:19.1.0 php-cs-fixer:fix (span.syntax--storage.syntax--type.syntax--function.syntax--php)
     -7:06.8.0 atom-beautify:beautify-editor (div.line)
     -5:38.6.0 php-cs-fixer:fix (span.syntax--support.syntax--function.syntax--magic.syntax--php)
     -5:18.2.0 core:copy (atom-notification.fatal.icon.icon-bug.native-key-bindings.has-detail.has-close.has-stack)
     -2:45.5.0 php-cs-fixer:fix (atom-notification.fatal.icon.icon-bug.native-key-bindings.has-detail.has-close.has-stack)
     -0:32.6.0 core:copy (div.line)

Non-Core Packages

atom-beautify 0.33.4 
php-cs-fixer 4.1.1 
php-twig 4.0.0