Problem mit Z Inventar --> Benutzen

/*
File: fn_useItem.sqf
Author: Bryan "Tonic" Boardwine
Description:
Main function for item effects and functionality through the player menu.
*/
private["_item"];
disableSerialization;
if((lbCurSel 2005) == -1) exitWith {hint localize "STR_ISTR_SelectItemFirst";};
_item = lbData[2005,(lbCurSel 2005)];

switch (true) do
{
case (_item == "water" or _item == "coffee"):
{
if(([false,_item,1] call life_fnc_handleInv)) then
{
life_thirst = 100;
player setFatigue 0;
};
};
case (_item == "boltcutter"): {
[cursorTarget] spawn life_fnc_boltcutter;
closeDialog 0;
};
case (_item == "blastingcharge"): {
player reveal fed_bank;
(group player) reveal fed_bank;
[cursorTarget] spawn life_fnc_blastingCharge;
};
case (_item == "defusekit"): {
[cursorTarget] spawn life_fnc_defuseKit;
};
case (_item in ["storagesmall","storagebig"]): {
[_item] call life_fnc_storageBox;
};
case (_item == "redgull"):
{
if(([false,_item,1] call life_fnc_handleInv)) then
{
life_thirst = 100;
player setFatigue 0;
[] spawn
{
life_redgull_effect = time;
titleText[localize "STR_ISTR_RedGullEffect","PLAIN"];
player enableFatigue false;
waitUntil {!alive player OR ((time - life_redgull_effect) > (3 * 60))};
player enableFatigue true;
};
};
};
case (_item == "spikeStrip"):
{
if(!isNull life_spikestrip) exitWith {hint localize "STR_ISTR_SpikesDeployment"};
if(([false,_item,1] call life_fnc_handleInv)) then
{
[] spawn life_fnc_spikeStrip;
};
};
case (_item == "fuelF"):
{
if(vehicle player != player) exitWith {hint localize "STR_ISTR_RefuelInVehicle"};
[] spawn life_fnc_jerryRefuel;
};
case (_item == "lockpick"):
{
[] spawn life_fnc_lockpick;
};
case (_item in ["apple","rabbit","salema","ornate","mackerel","tuna","mullet","catshark","turtle","turtlesoup","donuts","tbacon","peach"]):
{
[_item] call life_fnc_eatFood;
};
case (_item == "tobacco"):
{
if(([false,_item,1] call life_fnc_handleInv)) then
{
[] spawn life_fnc_usetobacco;
};
};

case (_item == "pickaxe"):
{
[] spawn life_fnc_pickAxeUse;
};
default
{
hint localize "STR_ISTR_NotUsable";
};
};
[] call life_fnc_p_updateMenu;
[] call life_fnc_hudUpdate;