Uncaught TypeError: Cannot read property 'match' of undefined

[ezep17]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.22.1 x64
Electron: 1.6.15
OS: Unknown Windows version
Thrown From: Extempore-Atom package 0.3.2

Stack Trace

Uncaught TypeError: Cannot read property 'match' of undefined

At C:\Users\ezepi\.atom\packages\Extempore-Atom\lib\extempore-atom.coffee:157

TypeError: Cannot read property 'match' of undefined
    at get_s_expression (/packages/Extempore-Atom/lib/extempore-atom.coffee:157:17)
    at evaluate (/packages/Extempore-Atom/lib/extempore-atom.coffee:126:11)
    at HTMLElement.Evaluate (/packages/Extempore-Atom/lib/extempore-atom.coffee:231:5)
    at CommandRegistry.handleCommandEvent (~/AppData/Local/atom/app-1.22.1/resources/app/src/command-registry.js:381:36)
    at KeymapManager.module.exports.KeymapManager.dispatchCommandEvent (~/AppData/Local/atom/app-1.22.1/resources/app/node_modules/atom-keymap/lib/keymap-manager.js:621:22)
    at KeymapManager.module.exports.KeymapManager.handleKeyboardEvent (~/AppData/Local/atom/app-1.22.1/resources/app/node_modules/atom-keymap/lib/keymap-manager.js:412:28)
    at WindowEventHandler.module.exports.WindowEventHandler.handleDocumentKeyEvent (~/AppData/Local/atom/app-1.22.1/resources/app/src/window-event-handler.js:100:42)
    at HTMLDocument.<anonymous> (~/AppData/Local/atom/app-1.22.1/resources/app/src/window-event-handler.js:3:65)

Commands

 10x -9:59 core:backspace (input.hidden-input)
     -8:24.9.0 extempore-atom:Connect (input.hidden-input)
     -8:19.7.0 core:confirm (input.hidden-input)
     -7:53.8.0 editor:newline (input.hidden-input)
 14x -7:52.8.0 core:backspace (input.hidden-input)
  2x -6:11.7.0 application:open-file (input.hidden-input)
  4x -5:01.3.0 extempore-atom:Evaluate (input.hidden-input)

Non-Core Packages

Extempore-Atom 0.3.2