0.8.28 Critical Error when fighting the Doppelganger

[Atlas4218]

I encountered the bug when fighting against the Doppelganger.

It happen each time i encounter the Doppelganger (sometime as soon as the fight start, sometime when i try to attack it or i think it try to attack me)

I'm using Firefox 149.0

Here's a screen capture


and the error message found in the console

Uncaught TypeError: can't access property "is", t is null
B https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
a https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
value https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
VisionQuestPart2DopplegangerDoCombat https://www.fenoxo.com/play/CoC2/release/Content_Misc.4c7d19a306bb06f2232d.js:1
doClick https://www.fenoxo.com/play/CoC2/release/307.f0958eb2918c910a645e.js:1
l https://www.fenoxo.com/play/CoC2/release/manifest.ff5ec020320ec08123ac.js:2
manifest.ff5ec020320ec08123ac.js:2:380742