At C:\Users\Dell\.atom\packages\persistent-grammars\lib\persistent-grammars.coffee:78
TypeError: Cannot read property 'set' of undefined
at /packages/persistent-grammars/lib/persistent-grammars.coffee:78:40
at ~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:8101
at ~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:499215
at Function.simpleDispatch (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:1190202)
at Emitter.emit (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:1191643)
at TextBuffer.setLanguageMode (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:499041)
at GrammarRegistry.assignGrammar (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:355345)
at Object.didConfirmSelection (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:824021)
at SelectListView.confirmSelection (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:855324)
at HTMLDivElement.core:confirm (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:850203)
at CommandRegistry.handleCommandEvent (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:349780)
at KeymapManager.dispatchCommandEvent (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:1230988)
at KeymapManager.handleKeyboardEvent (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:1227122)
at WindowEventHandler.handleDocumentKeyEvent (~/AppData/Local/atom/app-1.50.0/resources/app/static/<embedded>:11:284829)
-2:43.2.0 core:backspace (input.hidden-input)
46x -2:42.7.0 core:move-down (input.hidden-input)
18x -2:39.8.0 core:move-up (input.hidden-input)
-2:38.2.0 core:move-down (input.hidden-input)
-2:37.7.0 core:backspace (input.hidden-input)
2x -2:37.4.0 core:move-down (input.hidden-input)
-2:35.5.0 core:save (input.hidden-input)
-2:26 vue-format:format (input.hidden-input)
-2:24 core:save (input.hidden-input)
6x -2:12.6.0 core:backspace (input.hidden-input)
2x -1:52.9.0 core:save (input.hidden-input)
-1:24.9.0 grammar-selector:show (atom-text-editor.editor.is-focused)
2x -1:18.9.0 core:save (input.hidden-input)
-0:18.4.0 grammar-selector:show (atom-text-editor.editor.is-focused)
-0:12.3.0 core:backspace (input.hidden-input)
-0:11.1.0 core:confirm (input.hidden-input)
atom-bash 1.1.1
atom-browser 1.10.0
atom-live-grammar-reload 0.8.0
atom-runner 2.7.1
git-auto-stash 0.2.4
git-rebase 0.1.1
git-status 0.3.4
grammar-live-reload 1.1.2
persistent-grammars 1.0.0
preview-in-chrome 1.0.0
rails-open 0.4.3
vue-format 0.4.0