Assertion failure: m_matches.size() == expected error. Please help!

[Firez]

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GTA V version? Newest.
Up to date? Yes.
Legit or Pirate copy? Legit.
Steam/CD/Social Club? Steam.
Windows version? Windows 10 1809.
Did you try to delete caches.xml and try again? Yes.
Error screenshot (if any)

System specifications
Intel Core i7 6700k @ 4.00GHz
MSI GeForce GTX 1070 OC
16GB Ram @ 2133 Mhz
What did you do to get this issue? First time, I chose the first server to test it. Then it launched Rockstar Games Launcher then crashed. Now this shows up every time I attempt to open FiveM.
What server did you get this issue on? N/A
CitizenFX.log file
CitizenFX_log_2019-12-21T135505.log (3.3 KB)
.dmp files/report IDs
2c2145d2-d9f2-4bfe-9ae3-714e4c3a3c89.dmp (2.7 MB)
If an issue with starting: Yes.
GTA V folder screenshot

GTA V/update/x64/dlcpacks screenshot

Filepath to FiveM folder
C:\Users\Firez\AppData\Local\FiveM
FiveM client folder screenshot Not sure what you mean…
Which antivirus/firewall software are you using? Avast Antivirus
Did you try to disable/uninstall your Anti-virus? I have disabled all anti-viruses.

Also add what you already tried so far.

[system]

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