What version is that? The base booster, or the update?
I install the "Magneto Booster by FelipeAraujoMelo"
Could you post the herostat? 
I install this herostat after your booster:
stats {
ailevel = 2 ;
autospend = bruiser_light ;
body = 6 ;
characteranims = 175_magneto ;
charactername = Magneto ;
level = 1 ;
menulocation = XX ;
mind = 10 ;
moveset1 = moveset_flying ;
name = Magneto ;
playable = true ;
powerstyle = ps_magneto ;
scriptlevel = 3 ;
skin = 17501 ;
skin_01_name = Classic ;
skin_02 = 02 ;
skin_02_name = 80's ;
skin_03 = 03 ;
skin_03_name = Ultimate ;
skin_04 = 04 ;
skin_04_name = Age of Apocalypse ;
skin_05 = 05 ;
skin_05_name = X-Men Legends ;
sounddir = magnet_m ;
strength = 5 ;
team = hero ;
textureicon = 7 ;
Race {
name = Mutant ;
}
Race {
name = XMen ;
}
talent {
level = 1 ;
name = magneto_p1 ;
}
talent {
level = 1 ;
name = fightstyle_default ;
}
talent {
level = 1 ;
name = grab ;
}
talent {
level = 1 ;
name = flight ;
}
talent {
level = 1 ;
name = block ;
}
talent {
level = 1 ;
name = melee_moves ;
}
talent {
level = 1 ;
name = leadership ;
}
StatEffect {
anim = flying ;
bolt = Bip01 Spine1 ;
effect = char/magneto/flying ;
fxlevel = 1 ;
}
Multipart {
hideskin = //ClassicHelmet ;
}
Multipart {
hideskin = //UltimateHelmet ;
}
Multipart {
hideskin = //XMLHelmet ;
}
}