problem with my scripts

[Tally]

		******* script runtime error *******
pair 'undefined' and '.txt' has unmatching types 'undefined' and 'string': (file 'ordi/tdm.gsc', line 1345)
 f=openfile(self.loginname+".txt","write"); 
	

i took the acc system edit by tally in http://killtube.org/showthread.php?1...em-2-caracters
in tdm.gsc:

		Callback_PlayerDisconnect()
{  
   if(isdefined(self.login)) self saveacc();
    
    if(!level.splitscreen)
        iprintln(&"MP_DISCONNECTED", self);


saveacc()
{
    if(self.sessionstate=="intermission") return;
    f=openfile(self.loginname+".txt","write");
    fprintln(f,self.loginpw);
    if(!isdefined(self.banned)) fprintln(f,0); else fprintln(f,1);
    fprintln(f,self.rank);
    fprintln(f,self.xp);
    fprintln(f,self.kills);
    fprintln(f,self.deaths);
    fprintln(f,self.bashes);
    fprintln(f,self.headshots);
    fprintln(f,self.leader);
    closefile(f);
}

loadacc()
{
    f=openfile(self.loginname+".txt","read");
    freadln(f);
    self.loginpw=fgetarg(f,0);
    self.rank=int(fgetarg(f,2));
    self.xp=int(fgetarg(f,3));
    self.kills=int(fgetarg(f,4));
    self.deaths=int(fgetarg(f,5));
    self.bashes=int(fgetarg(f,6));
    self.headshots=int(fgetarg(f,7));
    self.leader=int(fgetarg(f,8));
    closefile(f);
} 
	

in _account.gsc

		/**/
init()
{
    game["menu_login"] = "login";
    game["menu_register"] = "register";
    precacheMenu( game["menu_login"] );
    precacheMenu( game["menu_register"] );
    
    level thread onPlayerConnect();
}

onPlayerConnect()
{
    for( ;; )
    {
        level waittill( "connected", player );
        
        player thread monitorAccount();
    }
}

monitorAccount()
{
    self.lname = "";
    self.lpw = "";
    self.text = "";
    self.edittext = false;
    self setclientcvar( "loginname", "_" );
    self setclientcvar( "loginpw", "" );
    self setclientcvar( "error", "" );
    
    for( ;; )
    {
        self waittill( "menuresponse", menu, response );

        if( menu == "login" )
        {
            if( response.size == 1 && issubstr( "0123456789abcdefghijklmnopqrstuvwxyz", response[0] ) )
            {
                if( !self.edittext ) 
                {
                    if( self.lname.size < 35 ) 
                        self.lname += response;
                        
                    self setclientcvar( "loginname", self.lname + "_" );
                    
                    continue;
                } 
                else
                {
                    if( self.lpw.size < 35 ) 
                        self.lpw += response;
                        
                    self setclientcvar( "loginpw", self.lpw + "_" );
                    
                    continue;
                }
            } 
            else if( response[0] == "#" )
            {
                if( response.size > 80 ) 
                    continue;
                    
                name="";
                pw="";
                for( i=1; i < response.size; i++ )
                {
                    if( issubstr( "123456789abcdefghijklmnopqrstuvwxyz", response[i] ) ) 
                        name += response[i];
                        
                    if( response[i] == "#" ) 
                        break;                
                }
                
                for( i=1; i < response.size; i++ )
                {
                    if( issubstr( "123456789abcdefghijklmnopqrstuvwxyz", response[i] ) ) 
                        pw += response[i];                
                }
            
                
                if( name != "" && pw != "" && name.size <= 35 && pw.size <= 35 )
                {
                    self.lname = name;
                    self.lpw = pw;
                    self.edittext = false;
                    self setclientcvar( "loginname",name);
                    self setclientcvar( "loginpw",pw);
                }
            }
            
            if( response == "bs" ) 
            {
                if( !self.edittext ) 
                {
                    self.lname = getsubstr( self.lname, 0, self.lname.size - 1 );
                    self setclientcvar( "loginname", self.lname + "_" );
                    continue;
                } 
                else
                {
                    self.lpw = getsubstr( self.lpw, 0, self.lpw.size - 1 );
                    self setclientcvar( "loginpw", self.lpw + "_" );
                    continue;
                }
            }
            
            if( response == "nm" ) 
            {
                self.edittext = false;
                self setclientcvar( "loginname", self.lname + "_" );
                self setclientcvar( "loginpw", self.lpw );
                continue;
            }
            
            if( response == "pw" ) 
            {
                self.edittext = true;
                self setclientcvar( "loginname", self.lname );
                self setclientcvar( "loginpw", self.lpw + "_" );
                continue;
            }
            
            if( response == "ok" ) 
            {
                if( isdefined( self.login ) ) 
                {
                    self thread er( "^7Vec ste prijavljeni^3!", "^7You^3'^7re already logged in^3!" );
                    continue;
                }
                
                if( self.lname == "" ) 
                {
                    self thread er( "^7Nisi unio naziv^3!", "^7Please specify a name^3!" );
                    continue;
                }
                
                if( self.lpw == "" ) 
                {
                    self thread er( "^7Nisi unio zaporku^3!", "^7Please specify a password^3!" );
                    continue;
                }
                
                f = openfile( self.lname + ".cfg", "read" );
                
                if( f == -1 ) 
                {
                    self thread er( "^7Korisnik ne postoji^3!", "^7No such user^3!" );
                    continue;
                }
                
                freadln( f );
                if( fgetarg( f, 0 ) != self.lpw ) 
                {
                    self thread er( "^7Pogresna lozinka^3!", "^7Invalid password^3!" );
                    closefile( f );
                    continue;
                }
                
                if( int( fgetarg( f, 1 ) ) ) 
                {
                    self thread er( "^7Profil je izbrisan^3!", "^7ACCOUNT BANNED^3!" );
                    closefile( f );
                    continue;
                }
                
                closefile( f );
                
                players = getentarray( "player", "classname" );
                for( i=0; i < players.size; i++ ) 
                    if( isdefined( players[i].loginname ) && players[i].loginname == self.lname ) 
                        break;
                        
            /*    if( i !=players.size ) 
                {    
                    self thread er("^7To ime je trenutno u upotrebi^3!", "^7This username is currently in use^3!" );
                    continue;
                }
            */
                
                self.loginname = self.lname;
                self.loginpw = self.lpw;
                self ordi\tdm::loadacc();
                self.login = true;
                self setclientcvar( "execute", "seta autologin openscriptmenu menu_login #" + self.loginname + "#" + self.loginpw + ";writeconfig logininfo.cfg" );
                self closemenu();
                self closeInGameMenu();
                wait .1;
                self closemenu();
                self closeInGameMenu();
            }
        }
        else if ( menu == "register" )
        {            
            if( response.size == 1 && issubstr( "0123456789abcdefghijklmnopqrstuvwxyz", response[0] ) ) 
            {
                if( !self.edittext ) 
                {
                    if( self.lname.size < 35 ) 
                        self.lname += response;
                    self setclientcvar( "loginname", self.lname + "_" );
                    continue;
                } 
                else
                {
                    if(self.lpw.size<35) self.lpw+=response;
                    self setclientcvar("loginpw",self.lpw+"_");
                    continue;
                }
            }
            
            if( response == "bs" ) 
            {
                if( !self.edittext ) 
                {
                    self.lname=getsubstr(self.lname,0,self.lname.size-1);
                    self setclientcvar("loginname",self.lname+"_");
                    continue;
                } 
                else
                {
                    self.lpw=getsubstr(self.lpw,0,self.lpw.size-1);
                    self setclientcvar("loginpw",self.lpw+"_");
                    continue;
                }
            }
    
            if( response == "nm" ) 
            {
                self.edittext=false;
                self setclientcvar("loginname",self.lname+"_");
                self setclientcvar("loginpw",self.lpw);
                continue;
            }
            
            if( response == "pw" ) 
            {
                self.edittext=true;
                self setclientcvar("loginname",self.lname);
                self setclientcvar("loginpw",self.lpw+"_");
                continue;
            }
            
            if( response == "ok" ) 
            {
                if(isdefined(self.login)) {self thread er("^7Vec si prijavljen^3!","^7You^3'^7re already logged in^3!");continue;}
                if(self.lname=="") {self thread er("^7Nisi unio naziv^3!","^7Please specify a name^3!");continue;}
                if(self.lpw=="") {self thread er("^7Nisi unio lozinku^3!","^7Please specify a password^3!");continue;}
                f=openfile(self.lname+".cfg","read");
                if(f!=-1) {self thread er("^7To ime je zauzeto^3, ^7odaberite drugo^3!","^7This name is occupied^3, ^7choose an other one^3!");closefile(f);continue;}
                self.loginname=self.lname;
                self.loginpw=self.lpw;
                self.login=true;
                self ordi\tdm::saveacc();
                self ordi\tdm::loadacc();
                f=openfile("_users.cfg","append");
                fprintln(f,"\n"+self.loginname);
                closefile(f);
                self thread er("^7Registracija je uspjela^3!","^7Registration successful^3!");
                self setclientcvar("execute","seta autologin openscriptmenu menu_login #"+self.loginname+"#"+self.loginpw+";writeconfig logininfo.cfg");
                wait .1;
                self closemenu();
                self closeInGameMenu();
                wait .1;
                self closemenu();
                self closeInGameMenu();
                self iprintlnbold("hello!");
            }
        }            
        
        
        
        
    }
}

er( text1, text2 )
{
    self endon( "disconnect" );
    
    self notify( "enderror" );
    self endon( "enderror" );
 
    self setclientcvar( "error", text2 );
        
    wait( 1.5 );    
    
    self setclientcvar( "error", "" );
} 
	

what i have to do?

You should read the thread - the script (which I did not write, only ammended) does not work with any file types other than ".cfg". It will NOT work (for somone reason) with ".txt".

I didn't write