Uncaught TypeError: this._serviceManagers is not iterable

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.28.1 x64
Electron: 2.0.4
OS: MICHAEL-PC
Thrown From: atom-debug-ui package 1.0.4

Stack Trace

Uncaught TypeError: this._serviceManagers is not iterable

At C:\Users\michw\.atom\packages\atom-debug-ui\lib\servicesregistry.js:93

TypeError: this._serviceManagers is not iterable
    at ServicesRegistry.locateServicesForScope (/packages/atom-debug-ui/lib/servicesregistry.js:93:31)
    at ServicesRegistry.locateServicesForEditor (/packages/atom-debug-ui/lib/servicesregistry.js:83:17)
    at AtomDebugUI.shouldDisplayMenuInScope (/packages/atom-debug-ui/lib/debug-ui.js:141:42)
    at Object.shouldDisplay (/packages/atom-debug-ui/lib/debug-ui.js:26:23)
    at ContextMenuManager.module.exports.ContextMenuManager.cloneItemForEvent (~/AppData/Local/atom/app-1.28.1/resources/app/src/context-menu-manager.js:181:25)
    at ContextMenuManager.module.exports.ContextMenuManager.templateForEvent (~/AppData/Local/atom/app-1.28.1/resources/app/src/context-menu-manager.js:102:39)
    at ContextMenuManager.module.exports.ContextMenuManager.showForEvent (~/AppData/Local/atom/app-1.28.1/resources/app/src/context-menu-manager.js:203:33)
    at WindowEventHandler.handleDocumentContextmenu (~/AppData/Local/atom/app-1.28.1/resources/app/src/window-event-handler.js:257:44)

Commands

     -2:43.7.0 snippets:next-tab-stop (input.hidden-input)
     -2:43.7.0 snippets:expand (input.hidden-input)
     -2:43.7.0 editor:indent (input.hidden-input)
 32x -2:42.5.0 core:backspace (input.hidden-input)
  2x -2:30.9.0 editor:newline (input.hidden-input)
     -2:30.1.0 core:move-up (input.hidden-input)
     -2:29.8.0 core:move-down (input.hidden-input)
     -2:25 snippets:next-tab-stop (input.hidden-input)
     -2:25 snippets:expand (input.hidden-input)
     -2:25 editor:indent (input.hidden-input)
 11x -2:21.7.0 core:backspace (input.hidden-input)
     -1:54.3.0 tree-view:add-file (span.name.icon.icon-file-directory)
     -1:50.7.0 core:confirm (input.hidden-input)
     -0:55.2.0 teletype:share-portal (input.hidden-input)
  3x -0:42.4.0 core:save (input.hidden-input)

Non-Core Packages

atom-autocomplete-php 0.25.6 
atom-debug-ui 1.0.4 
atom-ide-ui 0.12.0 
autocomplete-html-entities 0.2.0 
busy-signal 1.4.3 
export-html 3.1.0 
html-tab 1.0.2 
html-to-css 0.2.2 
ide-html 0.4.2 
ide-php 0.7.14 
intentions 1.1.5 
linter 2.2.0 
linter-php 1.5.1 
linter-ui-default 1.7.1 
php-cs-fixer 4.1.1 
php-debug 0.3.5 
teletype 0.13.3