mach es so
new exists[512];                                              
    new pname[MAX_PLAYER_NAME];
    new meldungen[512];
    for(new i; i<MAX_PLAYERS; i++)
    {
        GetPlayerName(i,pname,sizeof(pname));
         format(exists,sizeof(exists),"/Tickets/%s.ini",pname);
        format(meldungen,sizeof(meldungen),"%s\n",pname);
        return 1;
    }
oder so
new exists[512];                                              
    new pname[MAX_PLAYER_NAME];
    new meldungen[512];
    for(new i; i<MAX_PLAYERS; i++)
    {
        GetPlayerName(i,pname,sizeof(pname));
         format(exists,sizeof(exists),"/Tickets/%s.ini",pname);
        format(meldungen,sizeof(meldungen),"%s\n",pname);
        break;
    }