F1 2014 1993 season mod ...won't let me select senna Crash

[portertrain]

Hi all , Im new to the modding community so please bare with me if my questions have been answered. I have installed the 1993 mod ...when I select Senna in Grand Prix mode ...it kicks me back to Steam Library screen and re-loads game. I can play with any other driver including he's teammate ...with the exception of Senna. In career if I chose Sennas McLaren team as my chosen choice ...it shows up as Damon Hills car ?? When I choose any other team Senna is in the race including teamate textures are fine...had a look at MC2 files ..it all seems to be there. Desperate to play as Senna ...he was the whole reason I downloaded the mod . Any help wold be much appreciated. Thanks