Program: 83647
Project: 83647
Buggy source:
@Override public boolean execute(CommandSender sender,List<String> args) throws OWPermissionException {
  if (!this.checkPlayerSender(sender))   return true;
  Player player=(Player)sender;
  Location playerLoc=player.getLocation();
  String warpType;
  if (args.size() >= 2) {
    warpType=args.get(1);
  }
 else {
    warpType="String_Node_Str";
  }
  if (!warpType.equals("String_Node_Str") && !warpType.equals("String_Node_Str")) {
    player.sendMessage(ChatColor.YELLOW + "String_Node_Str");
    return true;
  }
  this.verifyAnyPermission(sender,"String_Node_Str","String_Node_Str" + warpType);
  OWQuotaManager quotaManager=this.plugin.getQuotaManager();
  if (warpType.equals("String_Node_Str")) {
    if (quotaManager.getPublicWarpCount(player) >= quotaManager.getPublicWarpQuota(player)) {
      player.sendMessage(ChatColor.RED + "String_Node_Str");
      return true;
    }
  }
 else   if (warpType.equals("String_Node_Str")) {
    if (quotaManager.getPrivateWarpCount(player) >= quotaManager.getPrivateWarpQuota(player)) {
      player.sendMessage(ChatColor.RED + "String_Node_Str");
      return true;
    }
  }
  Warp warp=new Warp(this.plugin,args.get(0),playerLoc,player.getName());
  if (warpType.equals("String_Node_Str")) {
    this.plugin.getPublicWarps().put(warp.getName(),warp);
    player.sendMessage(ChatColor.AQUA + "String_Node_Str" + ChatColor.WHITE+ "String_Node_Str"+ warp.getName()+ "String_Node_Str");
  }
 else   if (warpType.equals("String_Node_Str")) {
    this.plugin.getPrivateWarps().get(player.getName()).put(warp.getName(),warp);
    player.sendMessage(ChatColor.AQUA + "String_Node_Str" + ChatColor.WHITE+ "String_Node_Str"+ warp.getName()+ "String_Node_Str");
  }
  return true;
}

Fixed version (ground truth):
@Override public boolean execute(CommandSender sender,List<String> args) throws OWPermissionException {
  if (!this.checkPlayerSender(sender))   return true;
  Player player=(Player)sender;
  Location playerLoc=player.getLocation();
  String warpType;
  if (args.size() >= 2) {
    warpType=args.get(1);
  }
 else {
    warpType="String_Node_Str";
  }
  if (!warpType.equals("String_Node_Str") && !warpType.equals("String_Node_Str")) {
    player.sendMessage(ChatColor.YELLOW + "String_Node_Str");
    return true;
  }
  this.verifyAnyPermission(sender,"String_Node_Str","String_Node_Str" + warpType);
  OWQuotaManager quotaManager=this.plugin.getQuotaManager();
  int quota=Integer.MAX_VALUE;
  if (warpType.equals("String_Node_Str")) {
    if (quotaManager.getPublicWarpCount(player) >= 0) {
      quota=quotaManager.getPublicWarpQuota(player);
    }
    if (quotaManager.getPublicWarpCount(player) >= quota) {
      player.sendMessage(ChatColor.RED + "String_Node_Str");
      return true;
    }
  }
 else   if (warpType.equals("String_Node_Str")) {
    if (quotaManager.getPublicWarpCount(player) >= 0) {
      quota=quotaManager.getPrivateWarpQuota(player);
    }
    if (quotaManager.getPrivateWarpCount(player) >= quota) {
      player.sendMessage(ChatColor.RED + "String_Node_Str");
      return true;
    }
  }
  Warp warp=new Warp(this.plugin,args.get(0),playerLoc,player.getName());
  if (warpType.equals("String_Node_Str")) {
    this.plugin.getPublicWarps().put(warp.getName(),warp);
    player.sendMessage(ChatColor.AQUA + "String_Node_Str" + ChatColor.WHITE+ "String_Node_Str"+ warp.getName()+ "String_Node_Str");
  }
 else   if (warpType.equals("String_Node_Str")) {
    this.plugin.getPrivateWarps().get(player.getName()).put(warp.getName(),warp);
    player.sendMessage(ChatColor.AQUA + "String_Node_Str" + ChatColor.WHITE+ "String_Node_Str"+ warp.getName()+ "String_Node_Str");
  }
  return true;
}