Brave nightly crashes when closing tab

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Description of the issue:
I use brave nightly and I activated the group tabs option from chrome://flags (specifically chrome://flags/#enable-tab-groups)
It worked fine until day before yesterday after which everytime I try to close a tab, the app crashes and when i re-start the tab is still present.

How can this issue be reproduced?

1.Enable chrome flag chrome://flags/#enable-tab-groups
2. Try to close a tab.

Expected result:
Tab closes and app doesn’t crash

Brave Version( check About Brave):

Brave 1.22.16 Chromium: 89.0.4389.40 (Official Build) canary (32-bit)
Revision 2c2ed83cd507b23e4845edd09a7d1dfc727daf4b-refs/branch-heads/4389@{#602}

Mobile Device details
|OS|Android 10; POCO F1|

Additional Information:
Bug report:

java.lang.NullPointerException: Attempt to read from field ‘mL1 sM1.R’ on a null object reference
at GG.get(chromium-MonochromePublic.apk-canary-412200623:6)
at F62.e0(chromium-MonochromePublic.apk-canary-412200623:6)
at F62.a0(chromium-MonochromePublic.apk-canary-412200623:1)
at aP1.f(chromium-MonochromePublic.apk-canary-412200623:6)
at aP1.i(chromium-MonochromePublic.apk-canary-412200623:1)
at eO1.a(chromium-MonochromePublic.apk-canary-412200623:49)
at XL1.n(chromium-MonochromePublic.apk-canary-412200623:3)
at android.os.Handler.handleCallback(
at android.os.Handler.dispatchMessage(
at android.os.Looper.loop(
at java.lang.reflect.Method.invoke(Native Method)

I started seeing this issue in the released version of Brave from the Play Store. I have the following flags enabled: #enable-tab-grid-layout #enable-tab-groups #enable-tab-groups-ui-improvements #enable-tab-to-gts-animation. Until today, I have had no issues with this configuration (been using it for at least a year or more). However, starting today, every time I try and close a tab, the entire app crashes, and when I relaunch, the tab is still there. I have ~100 tabs open and would like to close quite a few of them, but can’t at the moment. I’m running Brave 1.21.73/Chromium 89.0.4389.72 on Android 11, Pixel 4a (5G) Build RQ1C.210205.006

I am also having the exact same problem described as above. I am running

Brave 1.21.73/Chromium 89.0.4389.72 on Android 11, on Galaxy Note 20 Ultra 5G SM-N986U Build/RP1A.200720. 012

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