Fehler in fn_marketBuy

12:17:34 Error in expression <

_modifier = (_amount * (_arr_resource select 5)); 

_price = _price + _modifie>
12:17:34   Error position: <select 5)); 

_price = _price + _modifie>
12:17:34   Error Zero divisor
12:17:34 File core\market\fn_marketBuy.sqf [life_fnc_marketBuy], line 22
12:17:34 Error in expression <

_modifier = (_amount * (_arr_resource select 5)); 

_price = _price + _modifie>
12:17:34   Error position: <select 5)); 

_price = _price + _modifie>
12:17:34   Error Zero divisor
12:17:34 File core\market\fn_marketBuy.sqf [life_fnc_marketBuy], line 22

/*

    Buy [SHORTNAME, AMOUNT, israw, send?]

*/

private["_shortname","_amount","_price","_modifier","_globalprice","_min","_dir","_israw","_arr_resource","_arr_price","_send","_relamount","_max","_varfive"];

_shortname = _this select 0;
_amount = _this select 1;
_israw = [_this, 2, false] call BIS_fnc_param;
_send = [_this, 3, true] call BIS_fnc_param;


//Get all necessary arrays
_arr_resource = [_shortname] call life_fnc_marketGetRow;
_arr_price = [_shortname] call life_fnc_marketGetPriceRow;


//Calculate the new price of the product
_price = _arr_price select 1; //current price
_globalprice = _arr_price select 2; //current change rate
_varfive = _arr_resource select 5; //readout modifier

_modifier = (_amount * _varfive); //calculate modifier

_price = _price + _modifier;
_globalprice = _globalprice + _modifier;

//Check borders
if(_price < 0) then {_price = 0;};

_max = _arr_resource select 3;

if( _price > _max)then {_price = _max;};

//insert into new array
[_shortname, [_shortname,_price,_globalprice,_modifier], false ] call life_fnc_marketSetPriceRow; //dont broadcast!


/////Change related prices
if(!_israw) then
{
    {
        _relamount = ceil (_amount * (_x select 1));
        if(_relamount < 0) then //INVERTED!
        {
            _relamount = -(_relamount);
            [_x select 0, _relamount, true, false] call life_fnc_marketBuy; //Make prices higher, no broadcast!
        }
        else
        {
            [_x select 0, _relamount, true, false] call life_fnc_marketSell; //Make prices higher, no broadcast!
        };
    }
    foreach (_arr_resource select 6); //in change array
};

//Broadcast now if can send
 if(_send) then {publicVariable "life_market_prices";};