Program: 10517
Project: 10517
Buggy source:
private void parseLocationTrigger(DenizenNPC theDenizen,Player thePlayer,String theLocationName){
  if (plugin.debugMode)   plugin.getLogger().log(Level.INFO,"String_Node_Str");
  ScriptHelper sE=plugin.getScriptEngine().helper;
  String theScriptName=theDenizen.getInteractScript(thePlayer,this.getClass());
  if (theScriptName == null)   return;
  CommandSender cs=Bukkit.getConsoleSender();
  if (plugin.debugMode)   cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + theDenizen.getName()+ "String_Node_Str"+ thePlayer.getName()+ "String_Node_Str");
  if (plugin.debugMode)   cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + ChatColor.WHITE+ "String_Node_Str");
  Integer theStep=sE.getCurrentStep(thePlayer,theScriptName);
  boolean foundScript=false;
  boolean noMatch=false;
  int x=1;
  do {
    foundScript=true;
    if (plugin.getScripts().contains(sE.getTriggerPath(theScriptName,theStep,triggerName) + x + "String_Node_Str")) {
      if (plugin.getScripts().getString(sE.getTriggerPath(theScriptName,theStep,triggerName) + x + "String_Node_Str").equals(theLocationName)) {
        foundScript=true;
        if (plugin.debugMode)         cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + ChatColor.GREEN+ "String_Node_Str"+ ChatColor.WHITE+ "String_Node_Str");
      }
 else {
        foundScript=false;
        x++;
      }
    }
 else     noMatch=true;
  }
 while (foundScript == false);
  if (!noMatch) {
    List<String> theScript=sE.getScript(sE.getTriggerPath(theScriptName,theStep,triggerName) + x + sE.scriptString);
    sE.queueScriptEntries(thePlayer,sE.buildScriptEntries(thePlayer,theDenizen,theScript,theScriptName,theStep),QueueType.TRIGGER);
  }
 else   if (plugin.debugMode)   cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + ChatColor.YELLOW+ "String_Node_Str"+ ChatColor.WHITE+ "String_Node_Str");
  return;
}

Fixed version (ground truth):
private void parseLocationTrigger(DenizenNPC theDenizen,Player thePlayer,String theLocationName){
  if (plugin.debugMode)   plugin.getLogger().log(Level.INFO,"String_Node_Str");
  ScriptHelper sE=plugin.getScriptEngine().helper;
  String theScriptName=theDenizen.getInteractScript(thePlayer,this.getClass());
  if (theScriptName == null)   return;
  CommandSender cs=Bukkit.getConsoleSender();
  if (plugin.debugMode)   cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + theDenizen.getName()+ "String_Node_Str"+ thePlayer.getName()+ "String_Node_Str");
  if (plugin.debugMode)   cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + ChatColor.WHITE+ "String_Node_Str");
  Integer theStep=sE.getCurrentStep(thePlayer,theScriptName);
  boolean foundScript=false;
  boolean noMatch=true;
  int x=1;
  do {
    foundScript=true;
    if (plugin.getScripts().contains(sE.getTriggerPath(theScriptName,theStep,triggerName) + x + "String_Node_Str")) {
      if (plugin.getScripts().getString(sE.getTriggerPath(theScriptName,theStep,triggerName) + x + "String_Node_Str").equals(theLocationName)) {
        noMatch=false;
        if (plugin.debugMode)         cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + ChatColor.GREEN+ "String_Node_Str"+ ChatColor.WHITE+ "String_Node_Str");
      }
 else {
        foundScript=false;
        x++;
      }
    }
  }
 while (foundScript == false);
  if (!noMatch) {
    List<String> theScript=sE.getScript(sE.getTriggerPath(theScriptName,theStep,triggerName) + x + sE.scriptString);
    sE.queueScriptEntries(thePlayer,sE.buildScriptEntries(thePlayer,theDenizen,theScript,theScriptName,theStep),QueueType.TRIGGER);
  }
 else {
    if (plugin.debugMode)     cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + ChatColor.YELLOW+ "String_Node_Str"+ ChatColor.WHITE+ "String_Node_Str");
    if (plugin.debugMode) {
      String locationbookmarks="String_Node_Str";
      boolean hasbookmark=false;
      for (      String triggerlistitem : plugin.bookmarks.getLocationTriggerList().values()) {
        hasbookmark=true;
        if (triggerlistitem.contains(theDenizen.getName()))         locationbookmarks=locationbookmarks + triggerlistitem.split("String_Node_Str")[2] + "String_Node_Str";
      }
      if (!hasbookmark)       locationbookmarks=locationbookmarks + "String_Node_Str";
 else       locationbookmarks=locationbookmarks.substring(0,locationbookmarks.length() - 2);
      cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str" + ChatColor.YELLOW+ "String_Node_Str"+ ChatColor.WHITE+ locationbookmarks);
    }
    if (plugin.debugMode)     cs.sendMessage(ChatColor.LIGHT_PURPLE + "String_Node_Str");
  }
  return;
}