im trying to increase the attrition of a track for realism from 30 to 35 i open up the MAS file and extract the GDP File i change the value from 30 to 35 I put it back and hit create the mas file to check it worked i put the MAS file back into the editor and extract the GDP File and its 35 i open up rfactor 2 than close the game i extract the GDP File and it now reads 30? what did i do wrong?