I had errors with VTA_functions.hpp & fixed them with this (not sure if it even matters, everything still worked):

//GOM_fnc_vehicleTuning V1.01
//by Grumpy Old Man
class CfgFunctions
{

class VTA
{

class VehicleTuning
{

class vehicleTuningInit{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_vehicleTuningInit.sqf";preInit = 1;};
class roundNum{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_roundNum.sqf";};
class killHint{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_killHint.sqf";};
class updateBoostDisplay{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_updateBoostDisplay.sqf";};
class updateSlider1{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_updateSlider1.sqf";};
class updateSlider2{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_updateSlider2.sqf";};
class updateLB{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_updateLB.sqf";};
class installFromLB{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_installFromLB.sqf";};
class FOGmachine{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_FOGmachine.sqf";};
class ejectionSeat{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_ejectionSeat.sqf";};
class vehTuning{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_vehTuning.sqf";};
class vehicleTuning{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_vehicleTuning.sqf";};
class bulletproofTyres{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_bulletproofTyres.sqf";};
class GPSTracker{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_GPSTracker.sqf";};
class boost{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_boost.sqf";};
class licensePlate{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_licensePlate.sqf";};
class initParams{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_initParams.sqf";preInit = 1;};
class setKartNumber{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_setKartNumber.sqf";};
class getKartNumber{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_getKartNumber.sqf";};
class blowOff{file = "GOMVTA\scripts\VTA\functions\VehicleTuning\VTA_fnc_blowOff.sqf";};


};



};



};