Crash after logging in and timing out
I logged in and didn't touch my computer for a bit, and I was back at the login screen.
gnome-shell-3.32.2-2.fc30.x86_64
gnome-shell[1394]: JS WARNING: [resource:///org/gnome/shell/ui/screenShield.js 918]: reference to undefined property "actor"
gnome-shell[1394]: JS ERROR: Error calling onComplete: TypeError: this._dialog.actor is undefined
_hideLockScreenComplete@resource:///org/gnome/shell/ui/screenShield.js:918:13
_addHandler/params[name]@resource:///org/gnome/shell/ui/tweener.js:85:13
_callOnFunction@resource:///org/gnome/gjs/modules/tweener/tweener.js:208:13
_updateTweenByIndex@resource:///org/gnome/gjs/modules/tweener/tweener.js:342:9
_updateTweens@resource:///org/gnome/gjs/modules/tweener/tweener.js:355:18
_onEnterFrame@resource:///org/gnome/gjs/modules/tweener/tweener.js:370:10
_emit@resource:///org/gnome/gjs/modules/signals.js:142:27
_onNewFrame@resource:///org/gnome/shell/ui/tweener.js:201:9
ClutterFrameTicker</<@resource:///org/gnome/shell/ui/tweener.js:172:13