Comment 18 for bug 1912211

Maybe related (from duplicate bug 1914989):

[ 9574.735022] Ubuntu gnome-shell[1681]: Object St.ScrollView (0x5558e598c4c0), has been already deallocated — impossible to access it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs.
[ 9574.743757] Ubuntu gnome-shell[1681]: == Stack trace for context 0x5558e2b27710 ==
[ 9574.799543] Ubuntu gnome-shell[1681]: #0 5558e37610b0 i /<email address hidden>/dash.js:965 (141015fe76a0 @ 132)
[ 9574.801651] Ubuntu gnome-shell[1681]: #1 5558e3761018 i /<email address hidden>/dash.js:494 (141015fec880 @ 30)
[ 9574.801968] Ubuntu gnome-shell[1681]: st_scroll_view_get_vscroll_bar: assertion 'ST_IS_SCROLL_VIEW (scroll)' failed
[ 9574.838268] Ubuntu gnome-shell[1681]: JS ERROR: TypeError: scrollView.get_vscroll_bar(...) is null
                                         ensureActorVisibleInScrollView@/<email address hidden>/dash.js:965:34
                                         _createAppItem/</this._ensureAppIconVisibilityTimeoutId<@/<email address hidden>/dash.js:494:21
[ 9574.839595] Ubuntu gnome-shell[1681]: Object St.Label (0x5558e37f19c0), has been already deallocated — impossible to access it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs.
[ 9574.839845] Ubuntu gnome-shell[1681]: == Stack trace for context 0x5558e2b27710 ==
[ 9574.840822] Ubuntu gnome-shell[1681]: #0 5558e3761138 i /<email address hidden>/appIcons.js:1156 (141015fee970 @ 105)
[ 9574.841718] Ubuntu gnome-shell[1681]: #1 5558e37610a0 i /<email address hidden>/dash.js:41 (141015fe7718 @ 27)
[ 9574.842556] Ubuntu gnome-shell[1681]: #2 5558e3761018 i resource:///org/gnome/shell/ui/dash.js:524 (b5ecd81a448 @ 24)
[ 9574.842720] Ubuntu gnome-shell[1681]: clutter_actor_get_stage: assertion 'CLUTTER_IS_ACTOR (actor)' failed