Uncaught TypeError: Cannot read property 'setEncoding' of undefined

[WestDanielCraig]

New to Atom, trying to install and run Slime to write in common lisp, been having these Issues

Atom: 1.44.0 x64
Electron: 4.2.7
OS: Mac OS X 10.15.3
Thrown From: atom-slime package 2.8.0

Stack Trace

Uncaught TypeError: Cannot read property 'setEncoding' of undefined

At /private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:14

TypeError: Cannot read property 'setEncoding' of undefined
    at BufferedProcess.bufferStream (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:14:1123323)
    at BufferedProcess.handleEvents (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:14:1124835)
    at BufferedProcess.start (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:14:1122843)
    at new BufferedProcess (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:14:1122591)
    at SwankStarter.module.exports.SwankStarter.start (/packages/atom-slime/lib/swank-starter.coffee:24:16)
    at Object.swankStart (/packages/atom-slime/lib/atom-slime.coffee:102:17)
    at /packages/atom-slime/lib/atom-slime.coffee:66:70)
    at CommandRegistry.handleCommandEvent (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:349290)
    at Object.didConfirmSelection (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:699460)
    at SelectListView.confirmSelection (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:874849)
    at HTMLDivElement.core:confirm (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:869728)
    at CommandRegistry.handleCommandEvent (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:349290)
    at KeymapManager.dispatchCommandEvent (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:1253613)
    at KeymapManager.handleKeyboardEvent (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:1249747)
    at WindowEventHandler.handleDocumentKeyEvent (/private/var/folders/b3/mmcc8cq11r3gklwr724g41sh0000gn/T/AppTranslocation/F7CACEF0-CDCA-482D-88CB-D0A30C925C55/d/Atom.app/Contents/Resources/app/static/<embedded>:11:284496)

Commands

     -3:52.9.0 core:paste (input.hidden-input)
     -3:43.2.0 slime:start (ul.list-inline.tab-bar.inset-panel)
  6x -3:05.4.0 core:backspace (input.hidden-input)
  2x -2:59.9.0 slime:start (input.hidden-input)
  5x -2:38.1.0 core:backspace (input.hidden-input)
     -2:26.5.0 slime:start (div.package-detail)
     -2:01.9.0 core:copy (atom-notification.fatal.icon.icon-bug.native-key-bindings.has-detail.has-close.has-stack)
  6x -0:51.4.0 core:backspace (input.hidden-input)
  3x -0:47.8.0 slime:start (input.hidden-input)
     -0:03.9.0 command-palette:toggle (div.package-detail)
     -0:02.0 core:confirm (input.hidden-input)
     -0:02.0 slime:start (div.package-detail)

Non-Core Packages

atom-slime 2.8.0 
language-lisp 0.2.0 
lisp-paredit 0.6.0 

[neil-lindquist]

Atom-Slime isn't currently being maintained. You should use the SLIMA fork instead (note that you'll need to uninstall atom-slime first).
If this bug is in SLIMA too, please raise an issue there and I'll look into it.

[WestDanielCraig]

Ok thanks!