# Pastebin ahew5ngG (gnome-shell:91182): Gjs-CRITICAL **: 11:53:07.192: Object St.DrawingArea (0x55fb4a882f50), has been already deall ocated - impossible to access to it. This might be caused by the fact that the object has been destroyed from C co de using something such as destroy(), dispose(), or remove() vfuncs == Stack trace for context 0x55fb493fb000 == #0 0x55fb4953d000 i /usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/appIconIndicators.js:428 (0x7f1c81d ec098 @ 37) #1 0x7fffd86f2b20 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f1ca02b4de0 @ 71) #2 0x55fb4953cf68 i /usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/appIconIndicators.js:109 (0x7f1c81d e6560 @ 61) #3 0x7fffd86f36c0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f1ca02b4de0 @ 71) #4 0x55fb4953cee0 i /usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com/appIcons.js:173 (0x7f1c81ddb9a0 @ 2 51) #5 0x7fffd86f4260 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f1ca02b4de0 @ 71) #6 0x7fffd86f42a0 I self-hosted:915 (0x7f1ca02da098 @ 367) #7 0x55fb4953ce60 i resource:///org/gnome/shell/ui/dash.js:199 (0x7f1c83ed33c8 @ 17) #8 0x7fffd86f6600 I self-hosted:913 (0x7f1ca02da098 @ 346) #9 0x7fffd86f74c0 b resource:///org/gnome/shell/ui/tweener.js:111 (0x7f1ca02cacd0 @ 37) #10 0x7fffd86f83e0 b resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f1ca02d3a28 @ 54) #11 0x7fffd86f8530 b resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f1ca02d3ab0 @ 1626) #12 0x7fffd86f85e0 b resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f1ca02d3b38 @ 100) #13 0x7fffd86f8670 b resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f1ca02d3bc0 @ 10) #14 0x7fffd86f8760 b resource:///org/gnome/gjs/modules/signals.js:126 (0x7f1ca02d3120 @ 386) #15 0x7fffd86f8810 b resource:///org/gnome/shell/ui/tweener.js:250 (0x7f1ca02cf6f8 @ 159) #16 0x7fffd86f8870 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f1ca02b4de0 @ 71) #17 0x7fffd86f8920 b resource:///org/gnome/shell/ui/tweener.js:225 (0x7f1ca02cf670 @ 20) #18 0x7fffd86f8970 I self-hosted:917 (0x7f1ca02da098 @ 394)