Problem mit IsPlayerNearSnack

[14:20:14] [debug] Run time error 4: "Array index out of bounds"
[14:20:14] [debug]  Accessing element at negative index -1
[14:20:14] [debug] AMX backtrace:
[14:20:14] [debug] #0 000a6e60 in ?? (0, 16, 0) from script.amx
[14:20:14] [debug] #1 000117fc in public OnPlayerKeyStateChange (0, 16, 0) from script.amx
[14:20:23] [debug] Run time error 4: "Array index out of bounds"
[14:20:23] [debug]  Accessing element at negative index -1
[14:20:23] [debug] AMX backtrace:
[14:20:23] [debug] #0 00032398 in public ocmd_buysnack (0, 218084016) from script.amx
[14:20:23] [debug] #1 native CallLocalFunction () from samp-server.exe
[14:20:23] [debug] #2 00000dfc in public OnPlayerCommandText (0, 218083976) from script.amx
[14:20:28] [debug] Run time error 4: "Array index out of bounds"
[14:20:28] [debug]  Accessing element at negative index -1
[14:20:28] [debug] AMX backtrace:
[14:20:28] [debug] #0 00032398 in public ocmd_buysnack (0, 218084016) from script.amx
[14:20:28] [debug] #1 native CallLocalFunction () from samp-server.exe
[14:20:28] [debug] #2 00000dfc in public OnPlayerCommandText (0, 218083976) from script.amx
[14:20:35] [debug] Run time error 4: "Array index out of bounds"
[14:20:35] [debug]  Accessing element at negative index -1
[14:20:35] [debug] AMX backtrace:
[14:20:35] [debug] #0 00032398 in public ocmd_buysnack (0, 218084016) from script.amx
[14:20:35] [debug] #1 native CallLocalFunction () from samp-server.exe
[14:20:35] [debug] #2 00000dfc in public OnPlayerCommandText (0, 218083976) from script.amx
[14:21:03] [debug] Run time error 4: "Array index out of bounds"
[14:21:03] [debug]  Accessing element at negative index -1
[14:21:03] [debug] AMX backtrace:
[14:21:03] [debug] #0 00032398 in public ocmd_buysnack (0, 218084016) from script.amx
[14:21:03] [debug] #1 native CallLocalFunction () from samp-server.exe
[14:21:03] [debug] #2 00000dfc in public OnPlayerCommandText (0, 218083976) from script.amx

ocmd:buysnack(playerid,params[])
{
	if(GetPlayerState(playerid) != PLAYER_STATE_ONFOOT)return SendClientMessage(playerid,C_Error,"Du bist nicht zu Fuß!");
	if(!IsPlayerNearSnack(playerid))return SendClientMessage(playerid,C_Error,"Du bist nicht in der Nähe eines Snackautomats.");
	if(sInfo[playerid][canbuysnack] == 0) return SendClientMessage(playerid,COLOR_GRAY,"* Du kannst nur alle 10 Sekunden einen Snack kaufen!");
	new snackid = GetPlayerSnackID(playerid),Float:PlayerHealth;
	GetPlayerHealth(playerid,PlayerHealth);
	if(getplayermoney(playerid)<=Food[snackid][fprice])return SendClientMessage(playerid,COLOR_GRAY,"Du hast nicht genug Geld dabei!");
	if(PlayerHealth >= 80) return SendClientMessage(playerid,COLOR_GRAY,"* Du hast keinen Hunger!");
	if(Food[snackid][fvalue] == 0) return SendClientMessage(playerid,COLOR_GRAY,"* Der Automat ist leer!");
	TogglePlayerControllable(playerid,false);
	TogglePlayerControllable(playerid,true);
	ApplyAnimation(playerid,"VENDING","VEND_Use",4.1,0,1,1,0,2000,1);
	Food[snackid][fvalue]--;
	UpdateSnackLabel(GetPlayerSnackID(playerid));
	SetTimerEx("ClearAnimations", 2000, false, "d", playerid);
	SetTimerEx("AllowSnackBuy", 10000, false, "d", playerid);
	sInfo[playerid][canbuysnack] = 0;
	SetPlayerHealth(playerid,PlayerHealth + 20);
	return 1;
}

stock IsPlayerNearSnack(playerid)
{
	for(new i = 0; i < MAX_FOODS; i++)
	{
		if(IsPlayerInRangeOfPoint(playerid,3.0,Food[i][fx],Food[i][fy],Food[i][fz]))
		{
			if(Food[i][fdisabled] == 0)return 1;
		}
	}
	return 0;
}