Call of Duty: World at War [BLUS30192]

GAME:  Call of Duty®: World at War [BLUS30192]
STATUS: Ingame in some areas like Zombie Mode and Multiplayer Maps but the game freezes looking at some random points with this error; F {RSX [0x80807a0]} RSX: class std::runtime_error thrown: Unknown blend eq 0x0
(in file c:\projects\rpcs3\rpcs3\emu\rsx\gcm_enums.cpp:734), 

Campaign can't get ingame because of the blend eq 0x0 error mentioned.

Version used: RPCS3 v0.0.6-8095 Alpha [2019-05-14]

Settings are : 
PPU - LLVM Recompiler
SPU - LLVM Recompiler and SPU Block Size : Mega (Tried Safe too, same error)
Graphics: Vulkan API
All others settings are default.

Log with and without the error attached.