Blitzer System[HELP]

stock AddBlitzerxyz(Float:x,Float:y,Float:z,speed,radius) {
    for(new i = 0; i < sizeof(Blitzer); i++) {
    if(Blitzer[i][Erstellt] == 0) {
            Blitzer[i][BlitzerX] = x;
            Blitzer[i][BlitzerY] = y;
            Blitzer[i][BlitzerZ] = z;
            Blitzer[i][Geschwindigkeit] = speed;
            Blitzer[i][Radius] = radius;
            Blitzer[i][Erstellt] = 1;
            return 1;
        }
    }
    return 0;
}