I too am having this issue on PC Gamepass, we played all day yesterday and now when I go to host our shared game I'm receiving this error during loading:
GPU Crash dump Triggered
Grounded2_WinGDK_Shipping
Grounded2_WinGDK_Shipping
Grounded2_WinGDK_Shipping
Grounded2_WinGDK_Shipping
Grounded2_WinGDK_Shipping
Grounded2_WinGDK_Shipping
Grounded2_WinGDK_Shipping
Grounded2_WinGDK_Shipping
kernel32
ntdll