Failed to connect to instance

Cant open any map or it shuts down to main menu with the pop up failed to load instance. Cant do anything.

exit game, purge your game shaders (C:\Users\YOURUSERNAME\AppData\Roaming\Path of Exile 2).

Press Win + R

Type:cleanmgr

Select your system drive (C:)

Check DirectX Shader Cache and press OK

Restart game, your problem should be solved.