Fortnite crashes every game on pc

My game constantly crashes on the pc with the following error:

Assertion failed: [File:Unknown] [Line: 198] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')

FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping FortniteClient_Win64_Shipping kernel32 ntdll

I tried different things:

reinstalling and validatin install: no succes.

reinstalling the nividia graphics drivers: no succes.

updated my gpu bios: no succes.

My system specs: i5 8600K rtx 2070 on the latest drivers 16gb of ram Temps of the system are all good.

Just started playing again after 4 months.