However, the following new error was thrown. Please have a look if you have more time.
At /home/vu/Dropbox/atom/packages/scroll-without-moving-cursor/lib/scroll-without-moving-cursor.coffee:66
TypeError: this.editorElement.getHeight is not a function
at Object.calculatePageScrollPixels (/packages/scroll-without-moving-cursor/lib/scroll-without-moving-cursor.coffee:66:29)
at Object.scrollDownPage (/packages/scroll-without-moving-cursor/lib/scroll-without-moving-cursor.coffee:45:25)
at /packages/scroll-without-moving-cursor/lib/scroll-without-moving-cursor.coffee:22:106)
at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/app.asar/src/command-registry.js:259:29)
at /app.asar/src/command-registry.js:3:59
at CommandPaletteView.module.exports.CommandPaletteView.confirmed (/app.asar/node_modules/command-palette/lib/command-palette-view.js:210:32)
at CommandPaletteView.module.exports.SelectListView.confirmSelection (/app.asar/node_modules/atom-space-pen-views/lib/select-list-view.js:338:21)
at /app.asar/node_modules/atom-space-pen-views/lib/select-list-view.js:109:19)
at CommandRegistry.module.exports.CommandRegistry.handleCommandEvent (/app.asar/src/command-registry.js:259:29)
at /app.asar/src/command-registry.js:3:59
at KeymapManager.module.exports.KeymapManager.dispatchCommandEvent (/app.asar/node_modules/atom-keymap/lib/keymap-manager.js:599:16)
at KeymapManager.module.exports.KeymapManager.handleKeyboardEvent (/app.asar/node_modules/atom-keymap/lib/keymap-manager.js:390:22)
at WindowEventHandler.module.exports.WindowEventHandler.handleDocumentKeyEvent (/app.asar/src/window-event-handler.js:106:36)
at /app.asar/src/window-event-handler.js:3:59)
-0:47.5.0 editor:page-down-without-moving-cursor (input.hidden-input)
2x -0:22.1.0 core:cancel (a.stack-toggle)
-0:17.2.0 command-palette:toggle (input.hidden-input)
2x -0:16 core:backspace (input.hidden-input)
2x -0:12.3.0 core:move-down (input.hidden-input)
-0:10.9.0 core:confirm (input.hidden-input)
-0:10.8.0 editor:page-down-without-moving-cursor (input.hidden-input)
atom-html-preview 0.1.22
atom-sort-projects 1.6.0
language-batch 0.4.0
language-latex 1.0.0
latex 0.42.3
latex-friend 0.0.11
MagicPython 1.0.7
script 3.14.1
scroll-without-moving-cursor 0.3.4
sort-lines 0.14.0