atom.workspaceView is no longer available.
In most cases you will not need the view. See the Workspace docs for
alternatives: https://atom.io/docs/api/latest/Workspace.
If you do need the view, please use atom.views.getView(atom.workspace),
which returns an HTMLElement.
Atom.Object.defineProperty.get (/opt/atom/resources/app/src/atom.js:54:11)
new PreviewTabsPaneController (/home/vicente/.atom/packages/preview-tabs/lib/preview-tabs-pane-controller.coffee:12:63)
atom.workspaceView is no longer available. In most cases you will not need the view. See the Workspace docs for alternatives: https://atom.io/docs/api/latest/Workspace. If you do need the view, please use
atom.views.getView(atom.workspace), which returns an HTMLElement.