Tekken 6 Vanilla, Namco System 357 error

[arcadefanatic]

hey, iam trying to figure out this error but i cant find ANY namco system 357 error lists or something
when its booting up there is Error 8,
thats not dongle error i think since its not dongle error like i saw in previous posts...
The game is Vanilla Tekken 6 , aka Tekken 6.0

 

[Franco23444]

Might be some sort of firmware compatibility error.

 

[arcadefanatic]

what firmware i need for vanilla t6? internet say 2,50 but its for tekken 6BR i tried 1.50 CEX but no result