Uncaught RangeError: out of range index

[rsheldiii]

no idea how to reproduce, it just randomly happens sometimes. have slack and hipchat integrations turned on

Atom: 1.15.0 x64
Electron: 1.3.13
OS: Mac OS X 10.11.6
Thrown From: RebelChat package 0.8.1

Stack Trace

Uncaught RangeError: out of range index

At /Users/rsheldon/.atom/packages/RebelChat/node_modules/ws/lib/Receiver.js:414

RangeError: out of range index
    at RangeError (native)
    at fastCopy (/packages/RebelChat/node_modules/ws/lib/Receiver.js:414:24)
    at Receiver.add (/packages/RebelChat/node_modules/ws/lib/Receiver.js:94:3)
    at TLSSocket.realHandler (/packages/RebelChat/node_modules/ws/lib/WebSocket.js:825:20)
    at emitOne (events.js:96:13)
    at TLSSocket.emit (events.js:188:7)
    at readableAddChunk (_stream_readable.js:176:18)
    at TLSSocket.Readable.push (_stream_readable.js:134:10)
    at TLSWrap.onread (net.js:543:20)

Commands

  7x -9:15.7.0 rebel-chat:hide-emoji-picker (div.)
     -2:58.8.0 core:paste (input.hidden-input)
     -2:57.9.0 core:backspace (input.hidden-input)
  2x -2:57.7.0 rebel-chat:send (input.hidden-input)
     -2:53.9.0 core:paste (input.hidden-input)
  2x -2:48.5.0 rebel-chat:hide-emoji-picker (div.)
     -2:46.6.0 core:select-all (input.hidden-input)
     -2:45 core:backspace (input.hidden-input)
     -2:43.4.0 rebel-chat:send (input.hidden-input)

Non-Core Packages

atomify 0.3.0 
autoclose-html 0.23.0 
autocomplete-modules 1.6.8 
busy-signal 1.3.0 
change-case 0.6.3 
editing-diff 0.2.1 
file-icons 2.1.1 
git-time-machine 1.5.6 
goto-definition 1.2.1 
intentions 1.1.2 
language-babel 2.57.0 
language-haml 0.24.1 
language-javascript-jsx 0.3.7 
linter 2.1.0 
linter-coffeelint 1.2.1 
linter-eslint 8.1.4 
linter-ui-default 1.2.1 
markdown-preview-plus 2.4.9 
minimap 4.26.8 
minimap-cursorline 0.2.0 
minimap-find-and-replace 4.5.2 
minimap-git-diff 4.3.1 
minimap-highlight-selected 4.5.0 
minimap-linter 1.6.0 
minimap-pigments 0.2.2 
minimap-selection 4.4.0 
minimap-split-diff 0.3.7 
pain-split 1.4.0 
pigments 0.39.1 
project-manager 3.3.4 
react 0.16.2 
react-es6-snippets 0.3.0 
RebelChat 0.8.1 
set-syntax 0.3.2 
slack-chat 3.4.2 
sort-lines 0.14.0 
split-diff 1.2.1 
Sublime-Style-Column-Selection 1.7.4