CrBrowserMain/ Uncaught TypeError .. please help me

Hi, I need your help, without any precedent the game started writing this to console:
Uncaught TypeError: Cannot read property ‘postMessage’ of null (@game/ui/root.html:60)

I reinstalled FiveM, and GTA5, but it didn’t help.

My CitizenFX log:CitizenFX_log_2021-04-06T193244.log (146.9 KB)

Sorry for bad english lang.
Thanks guys!

Environment questions

GTA V version: latest
Up to date: yes
**Legit or Pirate copy:legit
**Purchased where - Steam/Rockstar Launcher/Epic:steam
**Windows version:10
**Did you try to delete caches.xml (not cache/!) and try again?yes
**CitizenFX crash zip file (‘Save information’ on a crash):dont have
**logs/CitizenFX_log files:yes
**.dmp files/report IDs:yes

If you can’t start the game at all

GTA V folder screenshot:
GTA V/update/x64/dlcpacks screenshot:
Filepath to FiveM folder:
FiveM client folder screenshot:
**Which antivirus/firewall software are you using?yes
**Did you try to disable/uninstall your Anti-virus?yes

Additional comments

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Does this happen on a specific server or on all of them?

Not special server , writes this to the console on each server.