As you can probably infer from the title, this error is directly related to DirectX 12 being supported by your PC, as GPU might not be able to handle it. However ...
An unstable or weak internet connection can cause this error. If you use a wireless Internet connection, we suggest you connect to your router using an Ethernet cable ...
To clear the preparing shaders error, update your GPU drivers, verify integrity of game files, lower your core performance, and limit in-game FPS. After a rocky launch, Nexon has fixed most of the ...