Error

if(Ulogovan == 1)
	{
	    if(PlayerInfo == 7)
	    {
	    if(sscanf(params, "uii", makeid,level,slot))  return SCM(playerid,COLOR_RED,"SERVER: /postaviadmina [ID/Deo imena] [Admin Level ( 1 )] ");
	    if(level > 1) return SCM(playerid, COLOR_RED, "Ne mozete postaviti admina veceg od 1");
	    if(playerid == makeid) return SCM(playerid, COLOR_RED, "Ne mozete da postavite sebi admina");
	    if(AdminDuty == 0) return SCM(playerid,COLOR_RED,"Niste na duznosti.");
	    if(Ulogovan == 1) return SCM(playerid,COLOR_GRAY,"Igrac nije ulogovan.");
	    if(slot < 1 || slot > 20) return SCM(playerid,COLOR_GRAY,"Slot moze da bude od 1 do 20");
	    new apath;
	    format(apath,sizeof(apath),"Admini/%i.txt",slot);
	    new text;
	    new mesto;
	    new File:slot1 = fopen(apath,io_read);
	    while(fread(slot1, text))
		{
	 		strmid(mesto, text, 0, strlen(text));
	 	}
    	fclose(slot1);
		if(mesto != "Niko") return SCM(playerid,COLOR_GRAY,"Taj slot je zauzet.");
		PlayerInfo = level;
		new File:slot2 = fopen(apath,io_write);
		GetPlayerName(makeid, name,sizeof(name));
		fwrite(slot2, name);
        fclose(slot2);
        SetPlayerSkin( makeid, 294);
	    }
	}

 C:\Users\Lazar\Desktop\Balkan Flash Role Play\gamemodes\BFRP.pwn(5101) : error 033: array must be indexed (variable "mesto")
C:\Users\Lazar\Desktop\Balkan Flash Role Play\gamemodes\BFRP.pwn(5079) : warning 204: symbol is assigned a value that is never used: "str"
C:\Users\Lazar\Desktop\Balkan Flash Role Play\gamemodes\BFRP.pwn(5079) : warning 204: symbol is assigned a value that is never used: "astr"
Pawn compiler 3.2.3664	 	 	Copyright (c) 1997-2006, ITB CompuPhase

1 Error.