Check Folder Name /or rename it to "Carnal_Instinct_UE5_v0.7.1" or CarnalInstinct_UE5
Try to have it in a subfolder or move it to another disk
"C:\GamesX\Carnal_Instinct_UE5_v0.7.1" or "D:\GX\Carnal_Instinct_UE5_v0.7.1"
Check your disk space available / Ram & Vram usage in Task Manager ;
One time, i saw my Vram was at +8GB usage, in the Main Menu (OSD on RivaTuner)

even if the game was closed.
Restart the PC or Restarting Graphics Drivers by pressing keys > Win+Ctrl+Shift+B < can resolve this memory leakage
With my settings showed
here ; my usage in Ram (7GB) & Vram (6,3GB)
@
psicobomba With your 5060Ti, you can try DLSS4 and see if it does good or not