I'm having the same exact error as you. As soon as I hit play, and as it's phasing out of the age restriction, the error strikes.

Are you able to still play with the error pushed down into a corner, and also, did this start happening after patch 6.01?

-----------------------------------------------
FINAL FANTASY XIV

An unexpected error has occurred. Exiting FINAL FANTASY XIV.
2021-12-15_15:28

ffxiv_dx11.exe+ 140F5B7
ffxiv_dx11.exe+ 14D1158
ffxiv_dx11.exe+ 14D014C
ffxiv_dx11.exe+ 14B7F31
ffxiv_dx11.exe+ 1455C89
KERNEL32.DLL+ 17034
ntdll.dll+ 52651
-----------------------------------------------

-=-=-=-=-=-=- FFXIV Information -=-=-=-=-=-=-

MyDocument C:\Users\MissC\Documents
ProxyEnable 0
ProxyServer unspecified
ProxyOverride unspecified


-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

SYSTEM_OS Windows 10 Home 64-bit (6.2, Build 9200) (19041.vb_release.191206-1406)
SYSTEM_CPU Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz (16 CPUs), ~3.6GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 16 SYSTEM_CORE_PHYSICS 8
SYSTEM_BIOS F9
SYSTEM_LANGUAGE English (Regional Setting: English)
SYSTEM_MEMORY 16315.293MB
SYSTEM_VIRTUAL_MEMORY 134217727.875MB
SYSTEM_PAGE_FILE 18747.293MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 1907.614GB SYSTEM_FREEDISC_SPACE 1063.132GB
SYSTEM_DIRECTX_VERSION DirectX 12
SYSTEM_GRAPHICS NVIDIA GeForce RTX 3060 Ti
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP NVIDIA GeForce RTX 3060 Ti
SYSTEM_GRAPHICS_MAKER NVIDIA
SYSTEM_GRAPHICS_VRAM 8050.000 MB
SYSTEM_GRAPHICS_SHARED_VRAM 8157.646 MB
SYSTEM_GRAPHICS_DAC Integrated RAMDAC
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 30.00.0014.9729
SYSTEM_GRAPHICS_DRIVER_DATE 12/14/2021 19:00:00
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_GRAPHICS NVIDIA GeForce RTX 3060 Ti
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY2
SYSTEM_GRAPHICS_CHIP NVIDIA GeForce RTX 3060 Ti
SYSTEM_GRAPHICS_MAKER NVIDIA
SYSTEM_GRAPHICS_VRAM 8050.000 MB
SYSTEM_GRAPHICS_SHARED_VRAM 8157.646 MB
SYSTEM_GRAPHICS_DAC Integrated RAMDAC
SYSTEM_GRAPHICS_DISPLAY_MODE 1366 x 768 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_0bc9105c62ca22fb\nvldumdx.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 30.00.0014.9729
SYSTEM_GRAPHICS_DRIVER_DATE 12/14/2021 19:00:00
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND HP 2159 (NVIDIA High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {697214B2-27EE-495E-ABE0-A8DF03A782D0}
SYSTEM_SOUND_DEVICE_NAME nvhda64v.sys
SYSTEM_SOUND_DRIVER_VERSION 1.3.38.94
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 9/22/2021 19:00:00
SYSTEM_SOUND Realtek Digital Output (Realtek(R) Audio)
SYSTEM_SOUND_DEVICE_ID {79C6235B-1CF6-49E4-8E4E-36A14415CCE5}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.0.9235.1
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 9/6/2021 19:00:00
SYSTEM_SOUND Speakers (USB PnP Audio Device)
SYSTEM_SOUND_DEVICE_ID {C549CE33-F5DD-4511-955E-96DD4C50C1DA}
SYSTEM_SOUND_DEVICE_NAME USBAUDIO.sys
SYSTEM_SOUND_DRIVER_VERSION 10.0.19041.1202
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 8/25/2021 19:00:00
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 5 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 128 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EAC477F0-A4F1-11EB-8003444553540000}
SYSTEM_INPUT_NAME Game Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 24 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EAC477F0-A4F1-11EB-8004444553540000}
SYSTEM_INPUT_NAME Game Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EAC477F0-A4F1-11EB-8005444553540000}
SYSTEM_INPUT_NAME Game Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EAC477F0-A4F1-11EB-8006444553540000}
SYSTEM_INPUT_NAME Game Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EAC4C610-A4F1-11EB-8007444553540000}
SYSTEM_INPUT_NAME Game Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EAC4C610-A4F1-11EB-8008444553540000}
SYSTEM_INPUT_NAME Game Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {83A90620-189C-11EC-8001444553540000}
SYSTEM_INPUT_NAME Mechanical Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 573 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {83A92D30-189C-11EC-8002444553540000}
SYSTEM_INPUT_NAME Mechanical Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 3 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {25A64370-A4F8-11EB-8009444553540000}
SYSTEM_INPUT_NAME USB PnP Audio Device
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 1 SYSTEM_GAMEPAD_BUTTON 7 SYSTEM_GAMEPAD_FOV 0


-=-=-=-=-=-=- Application Information -=-=-=-=-=-=-

FFXIVLauncher
Steam
Settings
Settings
Microsoft Text Input Application


-=-=-=-=-=-=- Install Information -=-=-=-=-=-=-

Diablo
Battle.net
Diablo II Resurrected Beta
Diablo III
Google Chrome
Microsoft Edge
Microsoft Edge Update
Microsoft Edge WebView2 Runtime
OBS Studio
Origin
Overwatch
Overwolf
Rockstar Games Launcher
Rockstar Games Social Club
StarCraft
Steam
StreamElements OBS.Live
Intel(R) Wireless Bluetooth(R)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501
Microsoft Visual C++ 2019 X86 Minimum Runtime - 14.28.29334
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005
Microsoft Visual C++ 2019 X86 Additional Runtime - 14.28.29334
Plarium Play
Epic Online Services
Microsoft Visual C++ 2012 Redistributable (x86) - 11.0.61030
Launcher Prerequisites (x64)
The Sims™ 4
The Sims™ 4 Paranormal Stuff Pack
The Sims™ 4 Snowy Escape
Plarium Play
GOG GALAXY
ENE_AIC_Marvell_HAL
ENE_DRAM_RGB_AIO
Minecraft Launcher
ENE_EHD_SSS_HAL
Epic Games Launcher
Microsoft Visual C++ 2015-2019 Redistributable (x64) - 14.28.29334
Microsoft Visual C++ 2012 x86 Additional Runtime - 11.0.61030
Microsoft Visual C++ 2015-2019 Redistributable (x86) - 14.28.29334
Microsoft Visual C++ 2012 x86 Minimum Runtime - 11.0.61030
Microsoft Visual C++ 2012 Redistributable (x64) - 11.0.61030
ENE IO Driver
Microsoft XNA Framework Redistributable 4.0 Refresh
ENE_EHD_M2_HAL
Intel® Software Installer
Patriot Viper M2 SSD RGB
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005
RGB Fusion
NZXT CAM 4.18.1
CCleaner
Microsoft 365 Apps for enterprise - en-us
Red Dead Redemption 2
Grand Theft Auto III
PowerWash Simulator
Goose Goose Duck
Crab Game
7 Days to Die
SEGA Mega Drive & Genesis Classics
Dead by Daylight
FINAL FANTASY XIV Online
Stardew Valley
VRChat
Conan Exiles
Kingdoms and Castles
Jurassic World Evolution
Planet Zoo
Beasts of Bermuda
Phasmophobia
Team Sonic Racing™
Spyro™ Reignited Trilogy
Microsoft Visio - en-us
Windows PC Health Check
ENE_AIC_Marvell_HAL
Patriot Viper M2 SSD RGB
ENE_DRAM_RGB_AIO
Microsoft Visual C++ 2010 x64 Redistributable - 10.0.40219
Microsoft Visual C++ 2019 X64 Additional Runtime - 14.28.29334
ENE_EHD_M2_HAL
Microsoft Visual C++ 2012 x64 Additional Runtime - 11.0.61030
Microsoft Visual C++ 2019 X64 Minimum Runtime - 14.28.29334
Office 16 Click-to-Run Licensing Component
Office 16 Click-to-Run Extensibility Component
Office 16 Click-to-Run Localization Component
Documentation Manager
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005
Windows PC Health Check
NVIDIA Graphics Driver 497.29
NVIDIA GeForce Experience 3.24.0.126
NVIDIA Optimus Update 39.2.2.0
NVIDIA PhysX System Software 9.21.0713
NVIDIA Update 39.2.2.0
NVIDIA FrameView SDK 1.2.4999.30397803
NVIDIA SHIELD Streaming
NVIDIA GPX Common OSS binaries (POCO, OpenSSL, libprotobuf)
NVIDIA HD Audio Driver 1.3.38.94
NVIDIA Install Application
NVIDIA Backend
NVIDIA Container
NVIDIA TelemetryApi helper for NvContainer
NVIDIA LocalSystem Container
NVIDIA Message Bus for NvContainer
NVAPI Monitor plugin for NvContainer
NVIDIA NetworkService Container
NVIDIA Session Container
NVIDIA User Container
NvModuleTracker
NVIDIA NodeJS
NVIDIA Watchdog Plugin for NvContainer
NVIDIA Telemetry Client
NVIDIA Virtual Host Controller
Nvidia Share
NVIDIA ShadowPlay 3.24.0.126
NVIDIA SHIELD Wireless Controller Driver
NVIDIA Update Core
NVIDIA Virtual Audio 4.39.0.0
Microsoft Visual C++ 2012 x64 Minimum Runtime - 11.0.61030
ENE_EHD_SSS_HAL
Microsoft Update Health Tools
Epic Games Launcher Prerequisites (x64)


-=-=-=-=-=-=- Proccess Information -=-=-=-=-=-=-

C:\Program Files (x86)\NVIDIA Corporation\NvNode\NVIDIA Web Helper.exe 0000290C
C:\Program Files (x86)\Steam\bin\cef\cef.win7x64\steamwebhelper.exe 00003DEC
C:\Program Files (x86)\Steam\steam.exe 000033A8
C:\Program Files (x86)\Steam\steamapps\common\FINAL FANTASY XIV Online\boot\ffxivlauncher.exe 00001950
C:\Program Files (x86)\Steam\steamapps\common\FINAL FANTASY XIV Online\boot\ffxivsysinfo64.exe 000042E0
C:\Program Files\NVIDIA Corporation\NvContainer\nvcontainer.exe 00001A48
C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_3.2110.13603.0_x64__8wekyb3d8bbwe\Cortana.exe 000039CC
C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_3.2110.13603.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe 00003BD8
C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2021.21090.10008.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe 00001518
C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_5.721.12013.0_x64__8wekyb3d8bbwe\GameBar.exe 00003144
C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_5.721.12013.0_x64__8wekyb3d8bbwe\GameBarFTServer.exe 00003430
C:\Program Files\WindowsApps\Microsoft.YourPhone_1.21111.123.0_x64__8wekyb3d8bbwe\YourPhone.exe 000029DC
C:\Users\MissC\AppData\Local\Discord\app-1.0.9003\Discord.exe 00003AD4
C:\Users\MissC\AppData\Local\Microsoft\OneDrive\OneDrive.exe 00002D58
C:\Windows\Explorer.EXE 000016B4
C:\Windows\ImmersiveControlPanel\SystemSettings.exe 00000D84
C:\Windows\System32\RtkAudUService64.exe 00002964
C:\Windows\System32\RuntimeBroker.exe 00001520
C:\Windows\System32\SecurityHealthSystray.exe 00002A9C
C:\Windows\System32\oobe\UserOOBEBroker.exe 000029FC
C:\Windows\System32\smartscreen.exe 00001F60
C:\Windows\System32\svchost.exe 000042D0
C:\Windows\SystemApps\Microsoft.LockApp_cw5n1h2txyewy\LockApp.exe 00002B60
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe 00001C50
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe 00000008
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe 00003110
C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe 00003640
C:\Windows\system32\ApplicationFrameHost.exe 00000D80
C:\Windows\system32\DllHost.exe 000026F0
C:\Windows\system32\SettingSyncHost.exe 000026C4
C:\Windows\system32\conhost.exe 00002AB4
C:\Windows\system32\sihost.exe 00000A8C
C:\Windows\system32\svchost.exe 00001EC4
C:\Windows\system32\taskhostw.exe 00000B64